ib extended essay biology rubric

IB Extended Essay: Assessment Criteria

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Score Descriptors for each Criterion:

• A - Focus and Method
• B - Knowledge and Understanding
• C - Critical Thinking
• D - Presentation
• E - Engagement

Printable: Full Rubric  for all subjects

To view details for your SUBJECT, open the correct page below.

• Choose "Interpreting the EE Assessment Criteria" on the sidebar to see how to score well in YOUR subject area

Language & literature (language A)

Language acquisition (language B)

Mathematics

Visual Arts

World Studies

Business Management

Grade Boundaries

What's Expected?

• A: Focus/Method
• B: Knowledge
• C: Critical Thinking
• D: Presentation
• E: Engagement
• A: Focus and Method (6 marks)
• B: Knowledge and Understanding (6 marks)
• C: Critical Thinking (12 marks)
• D: Presentation (4 marks)
• E: Engagement (6 marks)
• Total marks possible: 34 (see grade boundaries below)
• Printable:  Full Rubric
• Printable: A3 size with details
• Printable:  Details for each criterion , via the Oxford guide

Criterion A:  Focus and Method (6 points)

What It Means:   This criterion focuses on the topic, the research question and the methodology. It assesses the explanation of the focus of the research (this includes the topic and the research question), how the research will be undertaken, and how the focus is maintained throughout the essay.

Questions to ask:  

• Does this essay meet the requirements for the subject for which you are registering it?
• Is your research question stated as a question?
• Have you explained how your research question relates to the subject that you selected for the extended essay?
• Have you given an insight into why your area of study is important?
• Is your research question feasible within the scope of the task? Could your research question be “answered” or it is too vague?
• Did you refer to your research question throughout the essay (not only in the introduction and conclusion)?
• Did you explain why you selected your methodology?
• Are there other possible methods that could be used or applied to answer your research question? How might this change the direction of your research?
• If you stated a particular methodology in the introduction of your essay, or specific sources, have you used them?
• Are there any references listed in the bibliography that were not directly cited in the text?

(Source: Susan Trower, via West Sound Academy)

Criterion B:  Knowledge and Understanding (6 points)

What It Means:   This criterion assesses the extent to which the research relates to the subject area/discipline used to explore the research question; or in the case of the world studies extended essay, the issue addressed and the two disciplinary perspectives applied; and additionally, the way in which this knowledge and understanding is demonstrated through the use of appropriate terminology and concepts.

• Have you explained how your research question relates to a specific subject you selected for the extended essay?
• Have you used relevant terminology and concepts throughout your essay as they relate to your particular area of research?
• Is it clear that the sources you are using are relevant and appropriate to your research question?
• Do you have a range of sources, or have you only relied on one particular type, for example internet sources?
• Is there a reason why you might not have a range? Is this justified?

(Source: Oxford EE manual, p. 110)

Criterion C:  Critical Thinking (12 points)

What It Means:   This criterion assesses the extent to which critical thinking skills have been used to analyze and evaluate the research undertaken.

• Have you made links between your results and data collected and your research question?
• If you included data or information that is not directly related to your research question have you explained its importance?
• Are your conclusions supported by your data?
• If you found unexpected information or data have you discussed its importance?
• Have you provided a critical evaluation of the methods you selected?
• Have you considered the reliability of your sources (peer-reviewed journals, internet, and so on)?
• Have you mentioned and evaluated the significance of possible errors that may have occurred in your research?
• Are all your suggestions of errors or improvements relevant?
• Have you evaluated your research question?
• Have you compared your results or findings with any other sources?
• Is there an argument that is clear and easy to follow and directly linked to answering your research question, and which is supported by evidence? Are there other possible methods that could be used or applied to answer your research question? How might this change the direction of your research?

(Source: Oxford EE Manual p. 111)

Handy Links:

• Presentation One Pager  via Catalina Bordoy
• Presentation Checklist
• Sample Title page   (see below - top half of the page)

Criterion D:  Presentation ( 4 points)

What It Means:   This criterion assesses the extent to which the presentation follows the standard format expected for academic writing and the extent to which this aids effective communication.

• Have you read and understood the presentation requirements of the extended essay?
• Have you chosen a font that will be easy for examiners to read on-screen?
• Is your essay double-spaced and size 12 font?
• Are the title and research question mentioned on the cover page?
• Are all pages numbered?
• Have you prepared a correct table of contents?
• Do the page numbers in the table of contents match the page numbers in the text?
• Is your essay subdivided into correct sub-sections, if this is applicable to the subject?
• Are all figures and tables properly numbered and labelled?
• Does your bibliography contain only the sources cited in the text?
• Did you use the same reference system throughout the essay?
• Does the essay have less than 4,000 words?
• Is all the material presented in the appendices relevant and necessary?
• Have you proofread the text for spelling or grammar errors?

Criterion E: Engagement

• Three reflections (best after meeting with your supervisor)
• 500 words TOTAL (100 + 150 + 250?)
• Reflections are done in Managebac on your Reflection space
• See the "Reflections" tab above for prompts to write about

(Source: Oxford EE Manual p.135)

(Source: Oxford EE Manual p.133)

• Sample Reflections
• Full chapter on Reflections from the Oxford Guide

Criterion E:  Engagement (6 points)

What It Means:   This criterion assesses the student’s engagement with their research focus and the research process. It will be applied by the examiner at the end of the assessment of the essay, after considering the student’s RPPF (Reflections on planning and progress form).

• Have you demonstrated your engagement with your research topic and the research process?
• Have you highlighted challenges you faced and how you overcame them?
• Will the examiner get a sense of your intellectual and skills development?
• Will the examiner get a sense of your creativity and intellectual initiative?
• For prompts to deepen your reflections, go  here  and then to the bottom of the page
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IB Extended Essay Rubric. Grading Criteria

Hello, IB scholars! As an experienced IB mentor, I understand the importance of fully grasping the IB extended essay rubric. Your extended essay is a significant part of your diploma, and knowing the grading criteria is crucial for success. From my experience, a clear understanding of this rubric can distinguish between an average essay and one that truly stands out.

What Is IB DP Extended Essay?

The IB extended essay is a core component of the Diploma Programme, aimed at students aged 16 to 19. It is independent, self-directed research that finishes with a paper of a specific word count . The project offers an opportunity for students to investigate a topic of their choosing, giving them a taste of what university study is like.

The extended essay aims to develop high-level research and writing skills and creativity. It allows students to engage in personal research on a topic of their own choice under the guidance of a supervisor (a teacher in the school). It leads to a significant piece of formally presented, structured writing in which ideas and findings are communicated rationally and coherently appropriate to the chosen subject. Students select a topic that interests them and aligns with one of the subjects in the IB curriculum. It could range from history to biology, literature, or even mathematics. I also recommend you avoid overused IB extended essay topics .

Moreover, the IB extended essay is highly valued by universities, as it gives students a chance to demonstrate their ability to undertake serious research projects and communicate their findings effectively. It is also an excellent opportunity for students to research a topic of personal interest in depth.

Key Components of the IB Extended Essay

First things first, let’s talk about the basics. Every extended essay needs a properly formatted title page, a concise abstract summarizing your work, and a clear table of contents. It sets the stage for a well-organized essay, and, believe me, getting these elements right from the start sets a positive tone for the graders.

Remember that your introduction should present your research question and the scope of your investigation. The body of your essay should then methodically break down this question, supported by evidence. Lastly, your conclusion must briefly summarize your findings and reflect on the research process. As I know, a well-structured essay helps maintain focus and keeps your argument compelling.

Moreover, accurate referencing and well-organized appendices are not just a formality. They demonstrate your dedication to academic integrity and detail, which, according to general IB criteria, are essential for a top-grade paper.

Detailed Breakdown of IB Extended Essay Rubric

The extended essay is assessed externally by IB examiners. It is graded based on criteria that evaluate the paper’s formal presentation, the student’s ability to conduct research, the development of their argument, and their overall reflection on the learning process. These criteria focus on the essay’s structure, the research question’s clarity and purpose, the research’s extent and depth, and the findings’ analysis and discussion.

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Criterion A. Focus and Method (6 points)

From my extensive experience as an IB educator, I’ve observed that the clarity of your focus and the robustness of your methodology are foundational to your essay’s success. This criterion evaluates how effectively you define and approach your research question. It’s not merely about choosing a topic but about demonstrating a sharp, precise focus and deploying a methodological approach that is both rigorous and appropriate to your subject.

A strong focus helps maintain the relevancy of your research. At the same time, a robust methodology ensures that the investigation is conducted systematically and scientifically, which is essential for producing credible and reliable results.

Criterion B. Knowledge and Understanding (6 points)

Your essay should also demonstrate a profound understanding of the topic. This criterion goes beyond simply recounting facts. It involves analyzing these facts, connecting different pieces of information, and critically discussing their implications.

It’s about showing your grader that you’re not just repeating information but can interpret and contextualize it within the framework of your research question. A deep engagement with the material will showcase your ability to synthesize knowledge and contribute original insights to the discourse on your chosen topic.

Criterion C. Critical Thinking (12 points)

Critical thinking lies at the heart of the IB philosophy and is essential to your success in the extended essay. This criterion involves the analysis, evaluation, and synthesis of knowledge.

From my years guiding IB students, essays that score well in this criterion typically present well-constructed arguments supported by robust evidence. They also consider and address potential counterarguments, demonstrating students’ ability to think broadly and critically about their topic. It improves the essay’s depth and illustrates the student’s capacity for balanced reasoning.

Criterion D. Presentation (4 points)

The way you present your essay is critically essential. This criterion assesses the organization, clarity of expression, and adherence to the prescribed formatting guidelines. These elements significantly influence your essay’s readability and its overall impact on the reader.

From my experience, a well-presented essay not only makes the content more accessible but also leaves a powerful impression of professionalism and attention to detail. Proper formatting, a clear structure, and a coherent presentation of ideas facilitate effective communication of your research findings.

Criterion E. Engagement (6 points)

Lastly, your engagement with the research question can significantly boost the quality of your essay. This criterion measures how well you demonstrate your motivation, interest, and effort in your research.

Essays that reflect genuine curiosity and enthusiasm stand out; they capture the reader’s attention and make the discussion more compelling. From my experience, students who connect personally with their topic are more likely to persevere in the face of challenges and produce insightful and engaging work. Your investment in the topic is evident through meticulous research, thoughtful analysis, and an enthusiastic presentation of your findings.

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Strategies to maximize scores in each ee grading area.

Focus and  method (Criterion A)  begins with a well-defined research question that is specific and manageable, guiding your entire research process. Outline your methodologies clearly, showing their relevance to your research question, and justify why these methods best fit your study.

Knowledge and  understanding (Criterion B)  require a demonstration of both breadth and depth. You should:

• Use a range of sources . Use diverse sources to show a broad understanding, then focus on specific areas for detailed research.
• Link to course concepts . Connect your discussions with theories and concepts from your IB courses, which adds depth and context.
• Focus on analysis . Distinguish your essay from mere description to analysis, providing insights demonstrating a deep understanding of your topic.

For  critical thinking (Criterion C) , construct a coherent argument that is evident throughout your essay, supported by robust evidence. Evaluate the reliability of your sources and include various perspectives to enrich your discussion and demonstrate comprehensive analysis.

Presentation (Criterion D)  is crucial and should adhere to the IB’s strict formatting guidelines. Ensure that your essay is well-organized, with logical transitions between sections, and rigorously proofread to enhance readability and coherence.

Lastly,  engagement (Criterion E)  can significantly boost your score. Reflect on your learning and research path, highlighting any challenges and strategies to overcome them. Show your passion and personal connection to the topic, which enriches the authenticity and depth of your engagement.

Common Mistakes in IB Extended Essays

Knowing common pitfalls in writing an IB extended essay can significantly impact the quality and effectiveness of your work. Understanding and implementing strategies to avoid these mistakes boost your final submission.

One major issue that often plagues students is straying from the research question. It’s easy to diverge into tangential areas, especially when the topic is broad or fascinating. To avoid this, always keep your research question in mind as you write and research. Make it a practice to regularly refer back to the question, ensuring that all parts of your essay directly contribute to addressing it. This focused approach keeps your essay coherent and tightly structured.

Another critical mistake is overlooking the importance of formatting and presentation. Many students  fail IB extended essays  because they don’t realize that a well-formatted work is not just about aesthetics but also reflects the seriousness of your work. Proper formatting helps to organize information clearly and makes it easier for examiners to follow your arguments.

To avoid losing points on presentation, strictly adhere to the IB extended essay guidelines, which include specifications for the structure, font size, line spacing, and citation style. Moreover, thoroughly proofreading your essay to correct typographical, grammatical, and formatting errors can substantially affect how your work is perceived.

Additionally, some students underestimate the importance of a concise, impactful introduction and conclusion. The introduction should present your research question, outline your approach, and capture the reader’s interest. A strong introduction sets the essay’s tone and clarifies what to expect. Similarly, the conclusion should briefly summarize the essential findings and reflect on the significance of the research. It’s your final chance to impress and convey the depth of your analysis and its contributions to the field.

Understanding and adhering to the IB extended essay rubric is crucial. These guidelines help you structure your research and deepen your engagement with the topic. Armed with the right strategies, you’ll be well on your way to excelling in your IB extended essay.

Keep these guidelines in mind, stay organized, and let your curiosity guide your research. Good luck, and remember that our experienced IB experts are always available to  help with your extended essay .

Nick Radlinsky

Nick Radlinsky is a devoted educator, marketing specialist, and management expert with more than 15 years of experience in the education sector. After obtaining his business degree in 2016, Nick embarked on a quest to achieve his PhD, driven by his commitment to enhancing education for students worldwide. His vast experience, starting in 2008, has established him as a reputable authority in the field.

Nick's article, featured in Routledge's " Entrepreneurship in Central and Eastern Europe: Development through Internationalization ," highlights his sharp insights and unwavering dedication to advancing the educational landscape. Inspired by his personal motto, "Make education better," Nick's mission is to streamline students' lives and foster efficient learning. His inventive ideas and leadership have contributed to the transformation of numerous educational experiences, distinguishing him as a true innovator in his field.

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The Complete IB Extended Essay Guide: Examples, Topics, and Ideas

International Baccalaureate (IB)

IB students around the globe fear writing the Extended Essay, but it doesn't have to be a source of stress! In this article, I'll get you excited about writing your Extended Essay and provide you with the resources you need to get an A on it.

If you're reading this article, I'm going to assume you're an IB student getting ready to write your Extended Essay. If you're looking at this as a potential future IB student, I recommend reading our introductory IB articles first, including our guide to what the IB program is and our full coverage of the IB curriculum .

IB Extended Essay: Why Should You Trust My Advice?

I myself am a recipient of an IB Diploma, and I happened to receive an A on my IB Extended Essay. Don't believe me? The proof is in the IBO pudding:

If you're confused by what this report means, EE is short for Extended Essay , and English A1 is the subject that my Extended Essay topic coordinated with. In layman's terms, my IB Diploma was graded in May 2010, I wrote my Extended Essay in the English A1 category, and I received an A grade on it.

What Is the Extended Essay in the IB Diploma Programme?

The IB Extended Essay, or EE , is a mini-thesis you write under the supervision of an IB advisor (an IB teacher at your school), which counts toward your IB Diploma (learn more about the major IB Diploma requirements in our guide) . I will explain exactly how the EE affects your Diploma later in this article.

For the Extended Essay, you will choose a research question as a topic, conduct the research independently, then write an essay on your findings . The essay itself is a long one—although there's a cap of 4,000 words, most successful essays get very close to this limit.

Keep in mind that the IB requires this essay to be a "formal piece of academic writing," meaning you'll have to do outside research and cite additional sources.

The IB Extended Essay must include the following:

• A title page
• Contents page
• Introduction
• Body of the essay
• References and bibliography

Additionally, your research topic must fall into one of the six approved DP categories , or IB subject groups, which are as follows:

• Group 1: Studies in Language and Literature
• Group 2: Language Acquisition
• Group 3: Individuals and Societies
• Group 4: Sciences
• Group 5: Mathematics
• Group 6: The Arts

Once you figure out your category and have identified a potential research topic, it's time to pick your advisor, who is normally an IB teacher at your school (though you can also find one online ). This person will help direct your research, and they'll conduct the reflection sessions you'll have to do as part of your Extended Essay.

As of 2018, the IB requires a "reflection process" as part of your EE supervision process. To fulfill this requirement, you have to meet at least three times with your supervisor in what the IB calls "reflection sessions." These meetings are not only mandatory but are also part of the formal assessment of the EE and your research methods.

According to the IB, the purpose of these meetings is to "provide an opportunity for students to reflect on their engagement with the research process." Basically, these meetings give your supervisor the opportunity to offer feedback, push you to think differently, and encourage you to evaluate your research process.

The final reflection session is called the viva voce, and it's a short 10- to 15-minute interview between you and your advisor. This happens at the very end of the EE process, and it's designed to help your advisor write their report, which factors into your EE grade.

Here are the topics covered in your viva voce :

• A check on plagiarism and malpractice
• Your reflection on your project's successes and difficulties
• Your reflection on what you've learned during the EE process

Your completed Extended Essay, along with your supervisor's report, will then be sent to the IB to be graded. We'll cover the assessment criteria in just a moment.

We'll help you learn how to have those "lightbulb" moments...even on test day!  

What Should You Write About in Your IB Extended Essay?

You can technically write about anything, so long as it falls within one of the approved categories listed above.

It's best to choose a topic that matches one of the IB courses , (such as Theatre, Film, Spanish, French, Math, Biology, etc.), which shouldn't be difficult because there are so many class subjects.

Here is a range of sample topics with the attached extended essay:

• Biology: The Effect of Age and Gender on the Photoreceptor Cells in the Human Retina
• Chemistry: How Does Reflux Time Affect the Yield and Purity of Ethyl Aminobenzoate (Benzocaine), and How Effective is Recrystallisation as a Purification Technique for This Compound?
• English: An Exploration of Jane Austen's Use of the Outdoors in Emma
• Geography: The Effect of Location on the Educational Attainment of Indigenous Secondary Students in Queensland, Australia
• Math: Alhazen's Billiard Problem
• Visual Arts: Can Luc Tuymans Be Classified as a Political Painter?

You can see from how varied the topics are that you have a lot of freedom when it comes to picking a topic . So how do you pick when the options are limitless?

How to Write a Stellar IB Extended Essay: 6 Essential Tips

Below are six key tips to keep in mind as you work on your Extended Essay for the IB DP. Follow these and you're sure to get an A!

#1: Write About Something You Enjoy

You can't expect to write a compelling essay if you're not a fan of the topic on which you're writing. For example, I just love British theatre and ended up writing my Extended Essay on a revolution in post-WWII British theatre. (Yes, I'm definitely a #TheatreNerd.)

I really encourage anyone who pursues an IB Diploma to take the Extended Essay seriously. I was fortunate enough to receive a full-tuition merit scholarship to USC's School of Dramatic Arts program. In my interview for the scholarship, I spoke passionately about my Extended Essay; thus, I genuinely think my Extended Essay helped me get my scholarship.

But how do you find a topic you're passionate about? Start by thinking about which classes you enjoy the most and why . Do you like math classes because you like to solve problems? Or do you enjoy English because you like to analyze literary texts?

Keep in mind that there's no right or wrong answer when it comes to choosing your Extended Essay topic. You're not more likely to get high marks because you're writing about science, just like you're not doomed to failure because you've chosen to tackle the social sciences. The quality of what you produce—not the field you choose to research within—will determine your grade.

Once you've figured out your category, you should brainstorm more specific topics by putting pen to paper . What was your favorite chapter you learned in that class? Was it astrophysics or mechanics? What did you like about that specific chapter? Is there something you want to learn more about? I recommend spending a few hours on this type of brainstorming.

One last note: if you're truly stumped on what to research, pick a topic that will help you in your future major or career . That way you can use your Extended Essay as a talking point in your college essays (and it will prepare you for your studies to come too!).

#2: Select a Topic That Is Neither Too Broad nor Too Narrow

There's a fine line between broad and narrow. You need to write about something specific, but not so specific that you can't write 4,000 words on it.

You can't write about WWII because that would be a book's worth of material. You also don't want to write about what type of soup prisoners of war received behind enemy lines, because you probably won’t be able to come up with 4,000 words of material about it. However, you could possibly write about how the conditions in German POW camps—and the rations provided—were directly affected by the Nazis' successes and failures on the front, including the use of captured factories and prison labor in Eastern Europe to increase production. WWII military history might be a little overdone, but you get my point.

If you're really stuck trying to pinpoint a not-too-broad-or-too-narrow topic, I suggest trying to brainstorm a topic that uses a comparison. Once you begin looking through the list of sample essays below, you'll notice that many use comparisons to formulate their main arguments.

I also used a comparison in my EE, contrasting Harold Pinter's Party Time with John Osborne's Look Back in Anger in order to show a transition in British theatre. Topics with comparisons of two to three plays, books, and so on tend to be the sweet spot. You can analyze each item and then compare them with one another after doing some in-depth analysis of each individually. The ways these items compare and contrast will end up forming the thesis of your essay!

When choosing a comparative topic, the key is that the comparison should be significant. I compared two plays to illustrate the transition in British theatre, but you could compare the ways different regional dialects affect people's job prospects or how different temperatures may or may not affect the mating patterns of lightning bugs. The point here is that comparisons not only help you limit your topic, but they also help you build your argument.

Comparisons are not the only way to get a grade-A EE, though. If after brainstorming, you pick a non-comparison-based topic and are still unsure whether your topic is too broad or narrow, spend about 30 minutes doing some basic research and see how much material is out there.

If there are more than 1,000 books, articles, or documentaries out there on that exact topic, it may be too broad. But if there are only two books that have any connection to your topic, it may be too narrow. If you're still unsure, ask your advisor—it's what they're there for! Speaking of advisors...

Don't get stuck with a narrow topic!

#3: Choose an Advisor Who Is Familiar With Your Topic

If you're not certain of who you would like to be your advisor, create a list of your top three choices. Next, write down the pros and cons of each possibility (I know this sounds tedious, but it really helps!).

For example, Mr. Green is my favorite teacher and we get along really well, but he teaches English. For my EE, I want to conduct an experiment that compares the efficiency of American electric cars with foreign electric cars.

I had Ms. White a year ago. She teaches physics and enjoyed having me in her class. Unlike Mr. Green, Ms. White could help me design my experiment.

Based on my topic and what I need from my advisor, Ms. White would be a better fit for me than would Mr. Green (even though I like him a lot).

The moral of my story is this: do not just ask your favorite teacher to be your advisor . They might be a hindrance to you if they teach another subject. For example, I would not recommend asking your biology teacher to guide you in writing an English literature-based EE.

There can, of course, be exceptions to this rule. If you have a teacher who's passionate and knowledgeable about your topic (as my English teacher was about my theatre topic), you could ask that instructor. Consider all your options before you do this. There was no theatre teacher at my high school, so I couldn't find a theatre-specific advisor, but I chose the next best thing.

Before you approach a teacher to serve as your advisor, check with your high school to see what requirements they have for this process. Some IB high schools require your IB Extended Essay advisor to sign an Agreement Form , for instance.

Make sure that you ask your IB coordinator whether there is any required paperwork to fill out. If your school needs a specific form signed, bring it with you when you ask your teacher to be your EE advisor.

#4: Pick an Advisor Who Will Push You to Be Your Best

Some teachers might just take on students because they have to and aren't very passionate about reading drafts, only giving you minimal feedback. Choose a teacher who will take the time to read several drafts of your essay and give you extensive notes. I would not have gotten my A without being pushed to make my Extended Essay draft better.

Ask a teacher that you have experience with through class or an extracurricular activity. Do not ask a teacher that you have absolutely no connection to. If a teacher already knows you, that means they already know your strengths and weaknesses, so they know what to look for, where you need to improve, and how to encourage your best work.

Also, don't forget that your supervisor's assessment is part of your overall EE score . If you're meeting with someone who pushes you to do better—and you actually take their advice—they'll have more impressive things to say about you than a supervisor who doesn't know you well and isn't heavily involved in your research process.

Be aware that the IB only allows advisors to make suggestions and give constructive criticism. Your teacher cannot actually help you write your EE. The IB recommends that the supervisor spends approximately two to three hours in total with the candidate discussing the EE.

#5: Make Sure Your Essay Has a Clear Structure and Flow

The IB likes structure. Your EE needs a clear introduction (which should be one to two double-spaced pages), research question/focus (i.e., what you're investigating), a body, and a conclusion (about one double-spaced page). An essay with unclear organization will be graded poorly.

The body of your EE should make up the bulk of the essay. It should be about eight to 18 pages long (again, depending on your topic). Your body can be split into multiple parts. For example, if you were doing a comparison, you might have one third of your body as Novel A Analysis, another third as Novel B Analysis, and the final third as your comparison of Novels A and B.

If you're conducting an experiment or analyzing data, such as in this EE , your EE body should have a clear structure that aligns with the scientific method ; you should state the research question, discuss your method, present the data, analyze the data, explain any uncertainties, and draw a conclusion and/or evaluate the success of the experiment.

#6: Start Writing Sooner Rather Than Later!

You will not be able to crank out a 4,000-word essay in just a week and get an A on it. You'll be reading many, many articles (and, depending on your topic, possibly books and plays as well!). As such, it's imperative that you start your research as soon as possible.

Each school has a slightly different deadline for the Extended Essay. Some schools want them as soon as November of your senior year; others will take them as late as February. Your school will tell you what your deadline is. If they haven't mentioned it by February of your junior year, ask your IB coordinator about it.

Some high schools will provide you with a timeline of when you need to come up with a topic, when you need to meet with your advisor, and when certain drafts are due. Not all schools do this. Ask your IB coordinator if you are unsure whether you are on a specific timeline.

Below is my recommended EE timeline. While it's earlier than most schools, it'll save you a ton of heartache (trust me, I remember how hard this process was!):

• January/February of Junior Year: Come up with your final research topic (or at least your top three options).
• February of Junior Year: Approach a teacher about being your EE advisor. If they decline, keep asking others until you find one. See my notes above on how to pick an EE advisor.
• April/May of Junior Year: Submit an outline of your EE and a bibliography of potential research sources (I recommend at least seven to 10) to your EE advisor. Meet with your EE advisor to discuss your outline.
• Summer Between Junior and Senior Year: Complete your first full draft over the summer between your junior and senior year. I know, I know—no one wants to work during the summer, but trust me—this will save you so much stress come fall when you are busy with college applications and other internal assessments for your IB classes. You will want to have this first full draft done because you will want to complete a couple of draft cycles as you likely won't be able to get everything you want to say into 4,000 articulate words on the first attempt. Try to get this first draft into the best possible shape so you don't have to work on too many revisions during the school year on top of your homework, college applications, and extracurriculars.
• August/September of Senior Year: Turn in your first draft of your EE to your advisor and receive feedback. Work on incorporating their feedback into your essay. If they have a lot of suggestions for improvement, ask if they will read one more draft before the final draft.
• September/October of Senior Year: Submit the second draft of your EE to your advisor (if necessary) and look at their feedback. Work on creating the best possible final draft.
• November-February of Senior Year: Schedule your viva voce. Submit two copies of your final draft to your school to be sent off to the IB. You likely will not get your grade until after you graduate.

Remember that in the middle of these milestones, you'll need to schedule two other reflection sessions with your advisor . (Your teachers will actually take notes on these sessions on a form like this one , which then gets submitted to the IB.)

I recommend doing them when you get feedback on your drafts, but these meetings will ultimately be up to your supervisor. Just don't forget to do them!

The early bird DOES get the worm!

How Is the IB Extended Essay Graded?

Extended Essays are graded by examiners appointed by the IB on a scale of 0 to 34 . You'll be graded on five criteria, each with its own set of points. You can learn more about how EE scoring works by reading the IB guide to extended essays .

• Criterion A: Focus and Method (6 points maximum)
• Criterion B: Knowledge and Understanding (6 points maximum)
• Criterion C: Critical Thinking (12 points maximum)
• Criterion D: Presentation (4 points maximum)
• Criterion E: Engagement (6 points maximum)

How well you do on each of these criteria will determine the final letter grade you get for your EE. You must earn at least a D to be eligible to receive your IB Diploma.

Although each criterion has a point value, the IB explicitly states that graders are not converting point totals into grades; instead, they're using qualitative grade descriptors to determine the final grade of your Extended Essay . Grade descriptors are on pages 102-103 of this document .

Here's a rough estimate of how these different point values translate to letter grades based on previous scoring methods for the EE. This is just an estimate —you should read and understand the grade descriptors so you know exactly what the scorers are looking for.

Here is the breakdown of EE scores (from the May 2021 bulletin):

How Does the Extended Essay Grade Affect Your IB Diploma?

The Extended Essay grade is combined with your TOK (Theory of Knowledge) grade to determine how many points you get toward your IB Diploma.

To learn about Theory of Knowledge or how many points you need to receive an IB Diploma, read our complete guide to the IB program and our guide to the IB Diploma requirements .

This diagram shows how the two scores are combined to determine how many points you receive for your IB diploma (3 being the most, 0 being the least). In order to get your IB Diploma, you have to earn 24 points across both categories (the TOK and EE). The highest score anyone can earn is 45 points.

Let's say you get an A on your EE and a B on TOK. You will get 3 points toward your Diploma. As of 2014, a student who scores an E on either the extended essay or TOK essay will not be eligible to receive an IB Diploma .

Prior to the class of 2010, a Diploma candidate could receive a failing grade in either the Extended Essay or Theory of Knowledge and still be awarded a Diploma, but this is no longer true.

Figuring out how you're assessed can be a little tricky. Luckily, the IB breaks everything down here in this document . (The assessment information begins on page 219.)

40+ Sample Extended Essays for the IB Diploma Programme

In case you want a little more guidance on how to get an A on your EE, here are over 40 excellent (grade A) sample extended essays for your reading pleasure. Essays are grouped by IB subject.

• Business Management 1
• Chemistry 1
• Chemistry 2
• Chemistry 3
• Chemistry 4
• Chemistry 5
• Chemistry 6
• Chemistry 7
• Computer Science 1
• Economics 1
• Design Technology 1
• Design Technology 2
• Environmental Systems and Societies 1
• Geography 1
• Geography 2
• Geography 3
• Geography 4
• Geography 5
• Geography 6
• Literature and Performance 1
• Mathematics 1
• Mathematics 2
• Mathematics 3
• Mathematics 4
• Mathematics 5
• Philosophy 1
• Philosophy 2
• Philosophy 3
• Philosophy 4
• Philosophy 5
• Psychology 1
• Psychology 2
• Psychology 3
• Psychology 4
• Psychology 5
• Social and Cultural Anthropology 1
• Social and Cultural Anthropology 2
• Social and Cultural Anthropology 3
• Sports, Exercise and Health Science 1
• Sports, Exercise and Health Science 2
• Visual Arts 1
• Visual Arts 2
• Visual Arts 3
• Visual Arts 4
• Visual Arts 5
• World Religion 1
• World Religion 2
• World Religion 3

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Trying to figure out what extracurriculars you should do? Learn more about participating in the Science Olympiad , starting a club , doing volunteer work , and joining Student Government .

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Not sure where you want to go to college? Read our guide to finding your target school . Also, determine your target SAT score or target ACT score .

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Example essays

The International Baccalaureate® (IB)  programme resource centre,  a key resource for educators at IB World Schools, includes several examples of  extended essay titles .

These highlight the diverse range of topics covered by International Baccalaureate® (IB) Diploma Programme (DP) students during their extended essays.

Some examples are:

• “An analysis of costume as a source for understanding the inner life of the character”
• “A study of malnourished children in Indonesia and the extent of their recovery after a period of supervised improved nutrition.”
• “Doing  versus  being: language and reality in the Mimamsa school of Indian philosophy.” 
• “The effects of sugar-free chewing gum on the pH of saliva in the mouth after a meal.”
• “To what extent has the fall in the exchange rate of the US dollar affected the tourist industry in Carmel, California?”
•  “What level of data compression in music files is acceptable to the human ear?”

Also available in the programma resource centre , the Diploma Programme Assessment Procedures has guidance on choosing a subject for the extended essay.

The PRC is only available to existing IB World Schools.

You can also purchase examples of essays in the IB Store . These essays fulfil the requirements for an ‘A’ grade in the extended essay.

If your school is not one already, learn how to become an IB World School  in order to implement the DP.

Extended Essay Rubric (Grading/Marking Scheme)

Welcome, fellow IB students! As someone who has completed the International Baccalaureate Diploma Programme , I’m excited to share insights into the Extended Essay rubric. Understanding this grading system is essential to producing a first-rate essay. Let’s examine what makes this rubric a critical part of your academic toolkit.

What Is the IB Extended Essay Rubric?

First things first, what exactly is the IB Extended Essay rubric? It’s a comprehensive framework that meticulously guides the evaluation of your Extended Essay . From my experience, fully understanding this rubric’s nuances elevates the quality of your work. It details the elements that examiners scrutinize rigorously, from the clarity and precision of your research question to the depth and breadth of your analysis.

In my opinion, the IB EE rubric is instrumental in shaping how you approach your essay, ensuring that each component (from introduction to conclusion) is aligned with the IB’s rigorous standards. By closely adhering to this rubric, you can strategically address each criterion to maximize your essay’s effectiveness and impact, aiming for the highest marks possible.

From my experience, students who thoroughly comprehend and apply the rubric’s guidelines often produce essays that are not only well-structured but also rich in content. This involves following the rubric and embedding a level of critical thinking and reflection that distinguishes top-scoring essays from the rest. According to general IB criteria, the examiners seek this depth of understanding and application.

More Topics:

• Interdisciplinary Topics in Extended Essays
• IB ESS Extended Essay Topic Ideas
• IB Theatre Studies Extended Essay Topics
• Topics for Music Extended Essay
• Anthropology IB Extended Essay Topics
• Philosophy Extended Essay Topics for IB
• IB English B Extended Essay Topics
• Extended Essay vs. Internal Assessment
• Can Extended Essays with a Generic Topic Score Well?
• Using Extended Essay Topics That Are Already on the Internet
• How to Create a Research Question for Your IB EE?
• What Is a Word Count for an Extended Essay?
• How Long Does it Take to Write an IB Extended Essay?

All Components of the Extended Essay Rubric

As an experienced IB writer, I understand that the Extended Essay is a significant component of the IB diploma, with the potential to influence your final score significantly. The EE is graded out of 34 points, divided across five main sections of a detailed rubric. Each of these sections targets specific aspects of your research and writing skills. From my experience, a solid grasp of each criterion can set your essay apart. Let’s break down these components.

By the way, understanding the structure and requirements of the EE RPPF is crucial for any student aiming to maximize their Extended Essay score.

Criterion A. Focus and Method (6 points)

This criterion examines how well you define and maintain your research focus throughout the essay. It assesses the clarity of your research question and the appropriateness of your methodology. A sharply focused research question and a robust methodology form the backbone of a successful Extended Essay. According to general IB criteria, achieving the highest marks here requires:

• Research question that aligns well with your investigation.
• Methodology that effectively supports and addresses your research question.

Ensure that your methodology is aligned and systematically applied throughout your research. It will significantly enhance the coherence and depth of your analysis.

Criterion B. Knowledge and Understanding (6 points)

This section evaluates how well your essay demonstrates knowledge of the chosen topic and integrates relevant academic theories and concepts. From my experience, essays that effectively integrate course content and show a deep understanding of the material score highly. As I know, to excel in this area, you should:

• Use a range of credible sources that enhance the depth of your investigation.
• Employ subject-specific terminology accurately to communicate your understanding.

Furthermore, demonstrating how these sources and terminologies directly relate to your research question can strengthen your argument’s persuasiveness.

Criterion C. Critical Thinking (12 points)

Critical thinking involves analyzing, synthesizing, and evaluating the gathered information. This criterion is the most significant component of the EE rubric, reflecting its importance. From my experience, critical thinking is what differentiates a good essay from a great one. Essays that present a well-reasoned argument based on comprehensive analysis achieve higher scores. According to general IB criteria, you should:

• Present well-supported arguments and conclusions that are directly relevant to your research question.
• Critically evaluate your sources and the evidence you provide, ensuring alignment with your thesis.

Additionally, integrating these evaluations seamlessly into your argument will showcase your ability to engage deeply and thoughtfully with your topic.

Criterion D. Presentation (4 points)

This criterion assesses the overall presentation of the Extended Essay, including its structure, formatting, and adherence to academic standards. As I know, the presentation is crucial as it affects your essay’s readability and professional appearance. To score well, ensure:

• Your essay follows the expected academic format and structure.
• Proper citation and referencing are used throughout the document.

A well-presented essay communicates your ideas clearly and demonstrates your professionalism and attention to detail, highly valued in academic writing.

Criterion E. Engagement (6 points)

Finally, this criterion evaluates your engagement with the research process, mainly through your reflection, which accounts for up to 500 words of the EE. From my experience, reflections that convey your intellectual and personal engagement with the topic often score highly. Effective reflections should:

• Demonstrate thoughtful decision-making and planning.
• Reflect on challenges and setbacks, showing how they contributed to your learning and understanding.

Understanding these IB EE grading criteria and how they contribute to your overall EE score boosts your writing process and final output. As a seasoned IB writer, I advise approaching each criterion equally and integrating them cohesively to produce a well-rounded and academically rigorous Extended Essay.

Grade Boundaries for IB Extended Essay

Examiners appointed by the IB externally assess all Extended Essays, marked on a scale from 0 to 34. Here’s how the score a student receives aligns with the grading bands:

• A – Excellent Standard (27 – 34).
• B – Good Standard (21 – 26).
• C – Satisfactory Standard (14 – 20).
• D – Mediocre Standard (7 – 13).
• E – Elementary Standard (0 – 6).

From my experience, achieving a score between 27 and 34, corresponding to an “A,” indicates that you’ve met and exceeded expectations with exceptional research, insightful analysis, and clear, structured writing. This grade band reflects work of an excellent standard, demonstrating a profound understanding of the topic and sophisticated analytical skills.

On the other hand, a score between 14 and 20 is required to pass the Extended Essay, falling into the “C” category. This score indicates satisfactory work that meets the basic requirements but may lack the depth or insight of higher-scoring essays. According to general IB criteria, achieving this score is a good baseline for passing, but aiming higher to demonstrate your capabilities entirely is beneficial.

In my opinion, students who score between 0 and 6, which places them in the “E” category, should reflect on their research and writing processes. This range suggests that the effort and engagement with the subject matter were significantly lacking, resulting in work that does not meet the elementary standards of academic research.

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You can order an Extended Essay tailored to your specific subject and requirements.

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Tips for Maximizing Your Extended Essay Scores

As a seasoned IB writer deeply familiar with the demands of the Extended Essay, I’ve observed that students who excel not only grasp the basics but also demonstrate nuanced understanding and strategic thinking. Here are some tips for maximizing your Extended Essay scores based on my extensive experience and knowledge of general IB criteria:

• In my experience, selecting a topic you are passionate about is crucial. Your interest will drive more profound research and nuanced analysis, essential for high scores.
• A well-defined research question acts as the guiding light for your essay. As I know, clarity here is critical — it shapes your research direction and influences the coherence of your argument.
• According to general IB criteria, a rigorous methodology is paramount. Ensure your methods are appropriate for your topic and that they effectively address your research question.
• In my opinion, top-scoring essays show a deep engagement with relevant sources. Don’t just describe what sources say; analyze them, discuss their limitations, and synthesize different viewpoints to build a compelling argument.
• As I know, iterative feedback is invaluable. It helps refine your argument and presentation, ensuring your essay meets the high standards expected by the IB.
• Finally, follow the IB’s formatting guidelines to ensure proper citations and maintain a professional writing style.

By following these strategies and working with your EE supervisor , you’re not just completing an assignment but mastering a complex skill set that reflects high academic standards and personal growth.

So, understanding the Extended Essay rubric is more than just a requirement — it is your secret to excelling in the IB Extended Essay. So take on this challenge confidently, and remember that a well-understood rubric is half the battle.

There you have it — an insider’s guide to mastering the IB Extended Essay rubric. Armed with this knowledge, you’re better equipped to tackle this critical component of the IB Diploma. Happy writing, and don’t hesitate to contact our experts from IBWritingService.com if you need help!

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