Cambridge Subject Guides
Everything a student should know before and during a Cambridge subject — exam pattern, topics, question types, grades and why the subject is worth loving. Built from Cambridge's official syllabus.
O Level
Shop discounts, bank interest, the shortest route on a map, the chance of rain — mathematics is the language every other subject borrows, and a subject almost every university asks about.
Read the guideCalculus, logarithms, vectors and trigonometry a year or two early — Additional Maths is the bridge from O Level to A Level, and a favourite of future engineers, doctors and coders.
Read the guideHow light races through glass fibres to bring you the internet, how a dam lights a city, how we know the Universe is expanding — physics is the rulebook of everything that moves, shines and spins.
Read the guideWhy salt dissolves, why iron rusts, how medicines are measured and how a country grows its food — chemistry explains the stuff the world is made of.
Read the guideHow your heart pumps 7,000 litres a day, why antibiotics stop working, how one cell becomes a whole person — biology is the science of you and everything alive around you.
Read the guideRead between the lines, argue a point that convinces, tell a story people remember — English Language is the subject that makes you better at every other subject, every interview and every email you'll ever write.
Read the guideHow a photo becomes ones and zeros, how a message crosses the world in milliseconds, how to make a computer solve your problem — Computer Science teaches you to think like a programmer.
Read the guideThe Qur'an, the life of the Prophet (pbuh), the Hadiths, the Rightly Guided Caliphs and the beliefs and practices of Islam — studied closely, with understanding of why they matter in Muslims' lives today.
Read the guideHow Pakistan was made, how it has been shaped since 1947, its place in the world, its land, climate, people and economy — the story of your own country, told through evidence and debate.
Read the guideRead deeply, write powerfully and explore Urdu poetry and prose — First Language Urdu is for students who think and dream in Urdu.
Read the guideRead it, write it, translate it — Second Language Urdu builds practical, confident Urdu for school, family and work, wherever you live.
Read the guideAS & A Level
Calculus, vectors, complex numbers, mechanics and statistics — A Level Maths is one of the A Levels universities ask for most, because it trains exactly the kind of thinking they want.
Read the guideFrom quarks to galaxies, from hospital scanners to the light from distant stars — A Level Physics is where you learn to explain the Universe with a few powerful ideas and a lot of reasoning.
Read the guideHow medicines are designed, how a lab identifies an unknown molecule, why some reactions happen on their own — A Level Chemistry is where chemistry stops being facts and starts being reasoning.
Read the guideHow a single gene builds a protein, how your immune system remembers a virus for years, how species change over millions of years — A Level Biology is the molecular story of life.
Read the guideWhy do adverts work? How does a toddler learn to talk? Why is English changing so fast — and who owns it now? A Level English Language turns you into a sharp writer and a scientist of language.
Read the guideFrom logic gates to artificial intelligence, from assembly language to object-oriented programs — A Level Computer Science teaches you how computers really work and how to make them do remarkable things.
Read the guideAdvanced reading, confident writing and the great works of Urdu literature — the new A Level Urdu that replaces 9686 from 2027.
Read the guide