Why IGCSE revision planning is different

IGCSE students are often juggling more subjects at once than their domestic GCSE counterparts, frequently across an international curriculum with subjects examined only once a year. That makes a structured revision timetable more important, not less — there is usually no quick resit a few months later if a sitting goes badly.

This guide covers how to build a realistic weekly timetable, and how your tier — Core or Extended, where your subject offers the choice — should change how you plan.

Step 1: List every subject and its tier

Many CAIE and Edexcel IGCSE subjects (Mathematics, Biology, Chemistry, Physics, and others) offer two tiers:

  • Core — a narrower content set, capped at a lower grade ceiling (commonly grade C on the legacy scale, or the equivalent numeric grade on the 9–1 scale where used).
  • Extended — the Core content plus additional, harder topics, with access to the full grade range.

Write down which tier you are sitting for each subject before you plan anything else. If you are Extended, your revision list is longer — budget extra sessions for the topics that only exist on the Extended paper, since these are often the ones taught last and revised least.

Step 2: Work backwards from your exam series

IGCSE exams are typically sat in one of two series — the May/June series or the October/November series, depending on your school's region and curriculum calendar. Count the weeks remaining and divide your subject list across them, rather than planning week-by-week as you go. A fixed end date you can see clearly is more motivating than an open-ended “revise everything eventually” plan.

Step 3: Weight subjects by paper count, not just difficulty

A subject with two theory papers plus an Alternative to Practical paper (common in CAIE sciences) needs more total revision time than a subject with a single paper, even if you find the single-paper subject harder. Map out how many papers each subject has before deciding how many weekly sessions to give it.

Step 4: Build in spaced repetition, not last-minute cramming

Revisit topics at increasing intervals — the day after first covering a topic, then a week later, then a month later — rather than studying a topic intensively once and moving on. This single change does more for exam-day recall than almost any other revision technique, and it works for both Core and Extended content.

Step 5: Schedule past-paper practice for every paper type you'll sit

If your subject has an Alternative to Practical paper, schedule dedicated practice for it — it tests a different skill (interpreting experimental method and data) from the theory papers and is frequently under-revised because it “feels” less important than the main theory paper. It carries real marks towards your final grade.

A simple weekly structure that works

  • 2–3 sessions per week per subject, 45–60 minutes each
  • One session per week per subject dedicated purely to past-paper questions, marked against the official mark scheme
  • One review session every weekend to revisit anything flagged as weak that week

Using ExamPass.ai to support your timetable

ExamPass.ai generates topic quizzes and full mock papers aligned to your exam board's IGCSE specification, with instant AI marking of handwritten answers. Building quizzes into your weekly slots gives you a quick, low-friction way to check whether a topic has actually stuck before you move on to the next one in your timetable.