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Emaad is a Biomedical Sciences student at King's College London with 3 years’ experience tutoring A-Level and GCSE Science and Maths, specialising in exam technique across AQA and Edexcel. This article shares practical ways for new Year 12 students to stay on top, from weekly consolidation and early past paper practice to active recall, planning study time and seeking help early.
By Emaad S | A-Level and GCSE Science and Maths Tutor | Sherpa Tutor
If you've just started Year 12, you've probably noticed something by now: A-levels feel different. The lessons move faster, the content goes deeper, and the homework doesn't always tell you exactly what to do. That's completely normal. But the next few weeks are when many students quietly fall behind, often without realising it until mock season.
The good news is that falling behind in October is easy to fix. Falling behind in March is not. Here's how to make sure you stay on top from now on.
At GCSE, you could often get by on memorising content and practising a few question styles. Sometimes students even get away with only revising at the last minute before the exam. A-levels ask for more. You need to understand why something happens, link ideas across topics, and apply what you know to unfamiliar situations.
In A-Level Maths, the algebra you could afford to be slightly shaky on at GCSE now underpins everything. A small gap in rearranging equations or handling indices turns into a big problem once you hit differentiation.
In A-Level Biology and A-Level Chemistry especially, the volume of content increases sharply, and exam questions expect precise scientific language. "The enzyme dies" won't get you marks any more; "the active site is denatured" will.
On top of that, you have fewer subjects but far more independent study time, and nobody tells you how to use it. That's where the gap usually opens up.
The single most useful habit you can build now is a weekly review. Set aside a fixed slot, even just 30 to 45 minutes per subject, to go back over what you covered that week.
Don't just reread. Rewrite the key ideas in your own words, turn them into flashcards, or condense them onto one page. If there's something you can't explain simply, that's your signal to go back to it or ask your teacher.
Doing this weekly means you're never facing a mountain of half-understood notes in the spring. When you revise later, you're refreshing things you already know rather than learning them for the first time.
A common mistake is thinking past papers are something you do "at the end". In reality, exam questions are one of the best ways to learn, not just test yourself.
After you finish a topic in class, find a few exam questions on it straight away. Your exam board's website will have past papers and mark schemes, and many revision sites sort questions by topic.
Pay close attention to the mark schemes. They show you exactly what examiners are looking for: the key words in Biology, the method marks in Maths, the units and significant figures in Chemistry. Learning to write answers the way examiners want is a skill in itself, and the earlier you start, the more natural it becomes.
If something from GCSE is shaky, now is the time to fix it. For Maths, that usually means algebra and rearranging formulae. For Chemistry, it's often mole calculations and balancing equations. For Biology, it's cell structure and basic biochemistry.
Spend a little time each week going back over these. It might feel like a step backwards, but it will make everything you learn this year much easier to understand.
Rereading notes feels productive, but it's one of the least effective ways to study. Your brain recognises the material, which tricks you into thinking you know it.
Instead, test yourself. Close your notes and try to write down everything you remember about a topic. Use flashcards. Explain a process out loud as if teaching it to someone else. Then check what you missed. It's harder, and that's exactly why it works.
Combine this with spaced repetition, revisiting topics after a few days, then a week, then a few weeks, and you'll remember far more with less total effort.
You probably have free periods now, and it's tempting to treat them as downtime. A few are fine, but using most of them well can save you hours in the evenings.
Try planning your week. Decide which free periods go to weekly review, which go to exam questions, and which go to catching up on anything you found difficult. Having a plan removes the "what should I do now?" moment that often ends in scrolling on your phone.
The students who struggle most at A-level aren't usually the ones who find things hard. They're the ones who don't say anything until it's too late.
If a topic doesn't make sense, ask your teacher after class, email them, or go to any support sessions your school runs. Form a study group with classmates. And if you're finding a subject consistently difficult, a tutor can help you rebuild the foundations and get back on track before small gaps turn into big ones.
You don't need to be perfect in your first term. You just need to stay on top of things consistently. Review weekly, practise exam questions early, strengthen your foundations, and ask for help when you need it. Build these habits now, and you'll go into mocks and, eventually, your final exams, feeling prepared rather than panicked.
The first month is done. The next few are when you set yourself up for the rest of the course.
Emaad S
Tutor
KCL student, 3 years tutoring GCSE & A-Level Science and Maths
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