Overview
Revising for your IB exams is less about cramming content and more about mastering a specific method of answering questions. The most effective plan involves a phased approach: start by strengthening weak topic areas, then progress to practising full papers under timed conditions. Consistently marking your own work against the assessment criteria is the single highest-leverage activity to improve your score.
Audit Your Subjects and Components
Before you dive into [IB past papers](/ib/past-papers), take stock. For each of your six subjects, plus your Theory of Knowledge (TOK) and Extended Essay (EE) components, identify your strongest and weakest areas. Use a traffic light system (red, amber, green) against each syllabus point to create a visual map of where you need to focus your initial efforts.
Build Confidence with Topic-by-Topic Practice
Start with your 'red' topics. Use [topic practice](/ib/past-papers/biology-hl#ib-topic-practice) grids or focused questions from past papers to test each syllabus point. Pair each grid with the matching [free course](/ib/courses) chapter. Have your textbook and class notes open to guide you. The goal here isn't to simulate an exam, but to fix conceptual gaps and build a solid foundation before you tackle a full paper.
Move to Untimed, Open-Book Papers
For the IB Diploma Programme, once you feel more secure with the core content, attempt a full Paper 1 or Paper 2, but without the clock. This helps you understand the structure, the style of questioning, and the level of detail required for different command words. Having your notes available allows you to look things up, reinforcing learning without the pressure of memory recall.
Mark Every Attempt Against the Markbands
This is the most critical step. The IB doesn't just award marks for correct facts; it assesses your work against markbands that describe levels of performance. After each practice paper, analyse your answers against these descriptors. Ask yourself: 'What specific skill or quality described in the next band up is missing from my answer?' Understanding exactly why you lost marks is essential before you [get feedback on your answer](/mark) from a tutor.
Simulate Exam Conditions with Timed Papers
In the final 4–6 weeks before the exam session, your revision should shift to completing full past papers under strict, timed conditions. This builds exam stamina and hones your time management skills. You'll learn how to allocate your minutes effectively across different sections and how to move on from a question you're stuck on. This is where your practice becomes true exam preparation.
Balance Your Efforts for the Full Diploma
Remember, your final score is out of 45, combining all six subjects and the core components. It's easy to focus on your favourite or weakest subject, but neglecting others can pull your total score down. Create a revision timetable that allocates sufficient time to every part of your [IB Diploma](/ib), ensuring no single element undermines your overall achievement.
Frequently asked questions
This section covers Frequently asked questions — what IB examiners reward most often in past papers and coursework.
How far back should I go with past papers?
Focus primarily on papers from the most recent syllabus update for your subject, as these are the most representative of what you'll face. However, older papers can still be very useful for practising core skills, understanding command words, and testing content knowledge, especially for questions on topics that haven't changed.
What if I keep getting stuck on the same type of question?
This is a clear signal of a specific weakness, not a reason to panic. Stop attempting the question and go back to basics. Review that specific topic in your textbook or notes, work through model examples, and then try a different, but similar, question. Repetition without understanding is not effective revision.
How should I revise for TOK and the Extended Essay?
Treat them with the same rigour as your other subjects. For the TOK essay, practise outlining arguments using the prescribed titles, focusing on claims, counterclaims, and linking back to Areas of Knowledge. For the EE, re-read your work against the detailed assessment criteria, checking for critical thinking, reflection, and formal presentation.