Updated for the 2025–2027 CAIE Syllabus

Cambridge O Level Revision Notes

Syllabus-aligned study notes — pick a subject below to start revising.

Browse O Level subjects

15 subjects · tap to open its notes

English Language

Islamiyat

Pakistan Studies

Computer Science

Sociology

Economics

Urdu - First Language

Urdu - Second Language

Mathematics D

Additional Mathematics

Physics

Chemistry

Biology

Business Studies

Accounting