A Level Exams: What They Are, How They Work, and What UK Students Need to Know
When students in the UK reach 16, they face a key decision: A Level exams, the standard academic qualification for university entry in the UK, typically taken over two years after GCSEs. Also known as Advanced Levels, they’re not just tests—they’re the foundation for everything that comes next, from university offers to career paths. Unlike GCSEs, which cover a broad range of subjects, A Levels let students focus on just three or four subjects they’re serious about. That’s why choosing the right ones matters so much.
Not all A Level subjects are created equal. Some, like Maths and Physics, open doors to engineering and science degrees. Others, like English Literature, a popular choice among female students in the UK, valued for developing critical thinking and writing skills, build skills that universities look for across disciplines. And then there’s the big question: IB vs A Levels, a comparison that affects how UK universities assess applicants. While A Levels let you go deep, the International Baccalaureate asks you to go wide. Most UK universities accept both, but some courses have clear preferences. For example, top universities like Oxford and Cambridge often expect strong grades in traditional A Level subjects like Chemistry or History, not just any combination.
It’s not just about grades. A Level choices shape your future. Want to study medicine? You’ll need Biology and Chemistry. Interested in psychology or economics? Maths and Sociology can help. And if you’re thinking about applying to schools like Yale or Harvard, they don’t just look at your A Level grades—they look at whether you’ve taken the most challenging subjects available to you. That’s why students who take four A Levels, or combine them with EPQ projects, often stand out. But it’s not about doing more—it’s about doing the right things.
There’s also the reality of pressure. A Level exams aren’t like GCSEs. One bad day can hurt your grade, and resits aren’t always easy. That’s why revision strategies, time management, and knowing how to study effectively become critical. And while some students panic about whether one hour of revision is enough, the truth is, it’s not about the clock—it’s about how you use the time. Smart, focused revision beats long, unfocused cramming every time.
Behind every A Level result is a story: the student who switched from Biology to Psychology and found their passion, the one who struggled with Dyslexia but still got into a top university, the parent helping their child pick subjects without knowing the system. These aren’t just exams—they’re turning points. And whether you’re a student, parent, or teacher, understanding how they work, what they mean, and how to navigate them makes all the difference.
Below, you’ll find real advice on choosing subjects, comparing qualifications, managing stress, and understanding what universities really look for. No fluff. Just what works.
What Are the Three Hardest A Levels? Real Student Experiences and Data
- by Eliza Fairweather
- on 27 Nov 2025
Further Mathematics, Physics, and Chemistry are consistently ranked as the three hardest A levels due to their abstract concepts, heavy workload, and demanding exams. Learn why they’re tough and how to succeed if you're taking them.