Every May, we get the same WhatsApp messages: exams are in three weeks, panic has set in, and the question is whether anything can still be done. The honest answer is yes, but far less than what was possible in January. IGCSE grades are mostly decided by when revision starts and how it's structured, not by how hard a student crams at the end.
Five to six months out: close the gaps
Before any revision makes sense, the gaps need to be found. Go topic by topic through the syllabus (every exam board publishes it) and sort topics into three lists: solid, shaky and missing. Most students skip this step and revise what they already know because it feels good. The grade lives in the other two lists.
Three to four months out: past papers begin
Past papers are the single highest-value revision tool for IGCSE, but only if they're used properly: timed, without notes, and marked honestly against the official mark scheme. One paper a week per priority subject is enough at this stage. The goal isn't the score, it's learning how the exam asks questions and how marks are actually awarded.
Six to eight weeks out: the mark scheme becomes the textbook
By now the pattern of lost marks is visible. Students lose most marks not from ignorance but from answers that don't match what examiners reward: missing keywords in science answers, skipped working in maths, unstructured paragraphs in English. This is the stage where a mentor who recently sat these exact exams earns their keep, because they know the difference between knowing a topic and scoring on it.
The final two weeks: volume down, sleep up
The last fortnight is for consolidation: flashcard sweeps of formulas and definitions, redoing only the questions previously got wrong, and full nights of sleep. A tired brain loses more marks than a slightly under-revised one. No new topics in the last week; nothing learned that late survives exam pressure.
The mistakes that quietly cost grades
Re-reading notes and highlighting feels productive but tests nothing; replace it with self-quizzing. Revising only favourite subjects creates lopsided results; the UCAS-relevant grade is the lowest one, not the average. And going it alone when a subject has been shaky for years rarely works; targeted help in January is a fraction of the cost of a retake in November.
If your child has IGCSEs coming and you're unsure where they stand, an assessment lesson with a Durusi mentor will map their gaps in an hour. That map alone changes how the next months go.
If you would rather not build the plan alone, our IGCSE tutors in Dubai and IGCSE tutors in Abu Dhabi work to exactly this timeline, and students moving on to sixth form can carry it into A-Level.