Download free Cambridge O Level past papers with mark schemes, examiner reports, and grade thresholds, from 2015 to 2026. Every subject covers the May June and October November sessions, sorted by subject name and syllabus code. Pick a subject below to open its full archive.
Multiple choice, theory, and practical papers with mark schemes.
View Papers →Theory and practical papers with mark schemes.
View Papers →Structured and practical papers with mark schemes.
View Papers →Combined papers across all three sciences with mark schemes.
View Papers →Multiple choice and structured papers with mark schemes.
View Papers →Short answer and case study papers with mark schemes.
View Papers →Financial and cost accounting papers with mark schemes.
View Papers →Trade and commerce papers with mark schemes.
View Papers →Each O Level subject archive on Thinkerzz has four parts, so you revise the way exams are actually marked.
Real exam papers by year and variant, for timed practice under exam conditions.
Official marking points, so answers are scored the way examiners do.
The mistakes flagged each session, turned into an avoid list.
The raw marks needed for each grade, so effort targets the next boundary.
Cambridge O Level past papers come in three practice formats, and each suits a different revision stage.
A full paper from one session, sat under real timing to build exam stamina and pacing.
Questions grouped by chapter, so you drill one weak topic thoroughly before mixing them.
Worked answers that show the method, used to check your own working after marking.
Before downloading, confirm your exact syllabus code and exam session, because papers differ by code and by year.
Match the code on your entry (for example Mathematics D is 4024, not 4037). Confirm each syllabus on the official subjects portal.
Check O Level subjects list and codes →O Level runs in May June and October November each year. Verify your schedule before building your revision roadmap.
View O Level exam dates →For students in Pakistan, O Level grades convert into SSC marks through the IBCC before local admission. Each Cambridge letter maps to a fixed percentage, and IBCC totals your best eight subjects, including the five compulsory ones.
Each paper's grade threshold shows the raw mark that earned each letter that session, so you can see how close a score sits to the next grade.
For the full rules and how the certificate is issued, see the O Level grading equivalence guide.
| Cambridge Grade | IBCC Marks per Subject |
|---|---|
| A* (Star) | 90% |
| A | 85% |
| B | 75% |
| C | 65% |
| D | 55% |
| E | 45% |
Downloading papers is the easy part. Timed drills on O Level past papers turn weak topics into dependable exam marks.
Drill one topic at a time first to master weak points, then whole timed papers.
Score every answer against the official mark scheme strictly, not by feel.
See the mark each grade needed that session, and aim past it with confidence.
It names the exact common errors that cost most students valuable marks.
Finish under real exam timing and hall conditions before the real paper.
Downloading a paper is one thing. Knowing why you lost the marks is another. Thinkerzz tutors solve O Level past papers with you, live and 1 to 1, marking each answer to the official scheme and rebuilding the weak topics behind the errors.