How to Get an A* in IGCSE (2026): The Exact Method Top Students Use

Everyone wants the A*. Almost nobody knows what actually earns one. The students who walk out of the exam hall calm — and open their results to a row of stars in August — are not smarter than you. They just revised in a way that matches how the exam is marked, not how the syllabus is taught.

This guide breaks down the exact method top Cambridge and Edexcel IGCSE students use in 2026: what mark an A* really takes, the past-paper routine that moves your grade fastest, subject tips for the big codes, and a plan you can start today.

1. What an A* actually takes (it’s lower than you think)

Here’s the first thing that surprises people: an A* is almost never 90%+. On most Cambridge IGCSE papers, the A* boundary sits somewhere around 75–90% of the total marks — and the exact figure is set after every exam, based on how hard that paper turned out to be. If the paper was brutal, the board lowers the boundary so you’re not punished for a tough question.

The A* isn’t a wall you have to be flawless to climb. It’s a band you have to land in reliably. That’s a technique problem, not an intelligence problem.

2. The past-paper method (this is 80% of the work)

If you take one thing from this article, take this: past papers are your primary revision tool — not textbooks, not re-reading notes, not videos. Here’s the exact loop top students run for every subject:

1. Do one full paper under timed conditions
   No pausing, no notes, no phone. Match the real time limit. It’s uncomfortable — that’s the point.
2. Mark it yourself against the official scheme
   Immediately, line by line, awarding marks exactly the way an examiner would.
3. Log every lost mark by type
   Knowledge gap (didn’t know it), method error (wrong approach), or presentation error (right idea, no working / wrong command word). After 5 papers, the same 3–4 things are costing you the grade — fix those.

3. Subject-specific A* tips

IGCSE Maths (0580 / Edexcel 4MA1)

The most “trainable” A* of all — the same question types repeat every session. Master method marks: always show working, because a wrong final answer with correct method still scores. Drill the classic mark-losers — surds, transformations, tricky probability, worded algebra. Practise 0580 papers here.

IGCSE Physics (0625)

Physics rewards precision: correct units, significant figures, and rearranging the formula before you plug in numbers. Learn the required practicals cold — every session asks about them — and match definitions to the syllabus wording exactly.

IGCSE Chemistry (0620)

The A* lives in the details: state symbols, balanced equations, exact reaction conditions. Organic chemistry and mole calculations are reliable mark-earners once drilled. Open 0620 past papers & mark schemes.

IGCSE English & essay subjects

Structure wins marks. Learn the assessment objectives, write to a repeatable framework (point → evidence → explanation → link), and time your planning. Read grade-A* model answers to see what “top band” looks like on the page.

4. A realistic study plan (start today)

You don’t need 12 hours a day — you need consistency and the right sequence:

1. Weeks 1–2 · Diagnose
   One past paper per subject to find your real starting point. Build your error log.
2. Weeks 3–4 · Attack weak topics
   Short, focused sessions with flashcards and active recall — not passive re-reading.
3. Weeks 5–6 · Full papers
   Timed papers twice a week per subject. Now it’s technique and timing, not new content.
4. Final week · Taper
   Light review of your error log and A* model answers — and sleep. Cramming new material the night before costs more than it gains.

5. For students in the UAE, Saudi, Egypt & the Middle East

• Cambridge vs Edexcel: most regional schools sit Cambridge (CAIE), some Pearson Edexcel — different papers, codes and grade scales (Cambridge A*–G; Edexcel 9–1). Always revise from your board’s papers.
• Exam zones: the Gulf sits on a different Cambridge timetable zone than the UK — check your school’s dates, not a UK schedule.
• University & equivalency: UAE universities usually need a Ministry of Education equivalency plus a minimum set of IGCSEs (often 5 including English and Maths). Aim A*–A where your target degree cares most.

Frequently asked questions

The pattern behind every straight-A* result is the same: real past papers, marked against the real scheme, reviewed error by error. Do that consistently and the grade takes care of itself.