Choosing the Right A-Level Subjects for Your Future
Dr. Sarah Mills
·Dec 12, 2025
·5 min read
Choosing A-Level subjects is one of the first genuinely consequential decisions students make. The wrong choices can close off university courses; the right ones open almost every door. Here's how to approach it clearly.
Start with where you want to end up
If you have a career or university course in mind, work backwards from its entry requirements. Medicine requires Chemistry and usually Biology. Law benefits from History, English, or Politics. Engineering often requires Maths and Physics. Check UCAS entry requirements for specific courses at specific universities before choosing.
The 'facilitating subjects' advantage
Russell Group universities publish a list of 'facilitating subjects' — subjects that keep the widest range of options open. These include: Mathematics, Further Mathematics, English Literature, History, Biology, Chemistry, Physics, Geography, and Modern and Classical Languages. At least two of your three A-Levels being from this list is sensible if your direction isn't yet fixed.
Pick subjects you're genuinely strong in
GCSE grades are a reasonable predictor of A-Level performance. Don't choose a subject you scraped a 5 in at GCSE unless there's a strong reason to believe you'll improve significantly. A-Level is a steep step up — difficulty increases sharply, and enthusiasm alone rarely compensates for a weak foundation.
Written by
Dr. Sarah Mills
Dr. Sarah Mills is a former university admissions advisor and Biology specialist tutor with over 15 years in education.