A-Level & IB Requirements for UK University Admission (2026)

A-levels and the International Baccalaureate (IB) are the two most common qualifications used to apply to UK universities. Both are widely accepted, both are respected, and both come with their own subject-choice logic. But requirements can be confusing for international students, who often don’t have experience with either system or who study a national curriculum that needs to be mapped onto one of them. This article walks through what UK universities actually require, how A-levels and IB compare, and how to choose the right subjects at 16–18 if you want to keep Oxbridge and other top UK universities open.

The simple version

• Oxbridge-level courses usually require AAA or A*AA at A-level, or 39–42 points in IB with 6s and 7s at Higher Level
• Subject choices matter as much as grades — required subjects are non-negotiable
• Russell Group universities typically require AAA/AAB at A-level or 36+ IB

1. A-level requirements at top UK universities

A-levels are the standard UK secondary qualification. Students typically study three A-levels in Year 12 and Year 13, and universities set their offers in terms of A-level grades.

Typical grade offers for competitive UK universities:

• Oxford and Cambridge: Most commonly AAA or AAA depending on course. Sciences and maths courses often require A in specific subjects.
• Imperial College London: AAA typical for most STEM courses
• LSE: AAA or AA*A depending on course
• UCL: A*AA to AAA depending on course
• Warwick, Durham, Bath, Bristol: AAA typical for competitive courses, AAB for others
• Edinburgh, Manchester, King’s College London: AAA to AAB typical

Key points about A-level offers:

• Grades are listed in descending order. “AAA” means one A, two A’s.
• Some courses require specific grades in specific subjects (e.g., “A* in Mathematics”).
• Some courses require A-levels in specific subjects as prerequisites regardless of grades (e.g., “Chemistry A-level” as a requirement for chemistry courses).
• Resits are generally accepted but some competitive courses restrict or discourage them.

2. Subject choices at A-level

For competitive UK university admissions, A-level subject choice matters almost as much as grades. Picking the “wrong” subjects can quietly close doors without you realising it.

Core “facilitating” subjects for competitive universities:

• Mathematics (and Further Mathematics)
• English Literature
• Physics, Chemistry, Biology
• History
• Modern or classical languages (French, Spanish, German, Latin, Greek, etc.)
• Geography

These are the subjects most often required or preferred by top universities. If you’re targeting Oxbridge or a Russell Group university, at least two of your three A-levels should usually come from this list — unless your target course specifically doesn’t require them (e.g., a pure art or music degree).

Required subject combinations for specific courses:

• Medicine: Biology and Chemistry are almost always required; Mathematics or Physics often preferred as a third
• Engineering: Mathematics and Physics required; Further Mathematics strongly preferred for top courses
• Mathematics (Oxbridge): Mathematics and Further Mathematics required; Physics often preferred as a third
• Physics: Mathematics and Physics required; Further Mathematics preferred
• Chemistry: Chemistry and Mathematics required; Physics or Biology as a third
• Natural Sciences (Cambridge): Mathematics plus at least two sciences
• Economics: Mathematics essential for competitive courses; no other strict requirement but Economics A-level is often recommended
• Law: No strict subject requirement; evidence of strong written English is valuable
• History: History A-level typically required
• Modern Languages: The relevant language at A-level is typically required

Subjects that top universities tend to weight less:

These are not banned — far from it — but if all three of your A-levels are in these categories, you may be at a disadvantage for very competitive courses:

• General Studies (often not accepted as one of your three)
• Critical Thinking (similarly)
• Some vocational subjects (though this depends heavily on the specific university and course)
• Subjects overlapping with each other significantly

Check each specific university’s guidance on accepted subjects for your target course.

3. IB requirements at top UK universities

The IB Diploma is the main international alternative to A-levels and is very widely accepted at UK universities. It is often the qualification of choice for international students.

Typical IB offers at top UK universities:

• Oxford and Cambridge: Usually 40–42 points total, with 7, 7, 6 at Higher Level (or 7, 6, 6 for some courses). Specific subject requirements at HL are common.
• Imperial College London: 38–42 points with 6s and 7s at HL in required subjects
• LSE: 38 points minimum; 37–39 typical with 6s and 7s at HL in required subjects
• UCL: 36–39 points typical, with specific HL scores
• Warwick, Durham, Bath, Bristol: 34–38 points typical
• Edinburgh, Manchester, King’s College London: 34–37 typical for most courses

Key points about IB offers:

• IB offers specify both a total score and Higher Level (HL) subject scores
• Standard Level (SL) subject grades may also appear in offers but usually less weight is placed on them
• Theory of Knowledge (TOK) and Extended Essay (EE) contribute up to 3 bonus points — these sometimes appear in offers (e.g., “38 points including 3 in TOK/EE”)
• Resits are generally accepted but with similar caveats as A-level resits at very competitive courses

4. IB subject choices

IB requires students to choose 6 subjects — 3 at Higher Level and 3 at Standard Level — across six subject groups. For competitive UK applications, subject choice matters.

Typical HL subject choices by target course:

• Medicine: HL Biology, HL Chemistry, plus one other HL (often Mathematics or another science)
• Engineering: HL Mathematics (Analysis and Approaches), HL Physics, plus one other HL
• Mathematics (Oxbridge): HL Mathematics Analysis and Approaches (at the highest level), plus two other HLs including typically Physics
• Physics: HL Mathematics AA, HL Physics, plus one other HL
• Chemistry: HL Chemistry, HL Mathematics, plus one other HL
• Economics: HL Mathematics AA (strongly preferred over Applications and Interpretation), HL Economics often useful, plus one other HL
• Law: No strict HL requirement, but HL English typically strengthens the application
• History: HL History, plus two other HLs (often with strong writing component)
• Modern Languages: HL in the relevant language

Mathematics AA vs AI:

The IB offers two math courses at HL and SL: Mathematics Analysis and Approaches (AA) and Mathematics Applications and Interpretation (AI). For most competitive UK courses in STEM, economics, and quantitative subjects, HL AA is strongly preferred or required. HL AI is sometimes accepted but rarely preferred for the most quantitative courses. If Oxbridge maths-heavy courses are on your radar, take HL Mathematics AA.

5. A-level vs IB — which is better for UK applications?

Both A-levels and IB are widely accepted. Neither is inherently “better” for UK applications, but each has different strengths.

A-level strengths:

• Depth in three subjects — students who know exactly what they want to study may benefit from deeper specialisation
• Straightforward for universities to assess — it’s the “native” UK qualification
• Slightly easier to convert into top grades for students who excel in a narrow set of subjects

IB strengths:

• Breadth across six subjects — students who want to keep options open benefit from the wider base
• Extended Essay and Theory of Knowledge develop research and critical thinking skills that help with personal statements and interviews
• Internationally recognised beyond the UK, making applications to US, European, and Asian universities easier
• IB students often come across as more “rounded” in admissions reviews

Which should you take?

• If you’re in a school that offers both and you have a clear, narrow academic focus, A-levels may be slightly easier to optimise
• If you want to keep options open across multiple countries and fields, IB is usually the stronger choice
• If you’re in an international school, IB is typically the default and there’s no reason to switch

Both are accepted. The more important decision is to commit to your chosen system and do well in it.

6. What about other qualifications?

Many international students don’t study A-levels or IB. UK universities accept a wide range of national curricula, but the conversion can be complex.

Commonly accepted international qualifications:

• French Baccalauréat: Accepted with high grades (typically Mention Très Bien, often with specific subject marks)
• German Abitur: Accepted with high grades, typically 1.0–1.5
• Italian Diploma di Maturità: Accepted with 95–100/100 at top universities
• Dutch VWO: Accepted with strong grades in relevant subjects
• Spanish Título de Bachiller: Accepted with strong grades and PCE/Selectividad marks
• American High School Diploma + SAT/ACT + APs: Some UK universities require APs (4s and 5s) in addition to the diploma and SATs
• Indian CBSE / ICSE / state boards: Accepted with high percentages (typically 90%+ for competitive courses)
• Singaporean A-levels: Often treated similarly to UK A-levels
• Chinese Gaokao: Increasingly accepted at top universities with specific score requirements

Always check the specific university’s international qualifications page. Requirements vary, and sometimes a “foundation year” or additional qualification is recommended for students whose national curriculum doesn’t map cleanly onto A-levels or IB.

7. Predicted grades and how they’re used

For UK applications, your teachers will predict your final grades before you take your exams. These predicted grades are what universities use to decide whether to make you an offer.

How predictions are used:

• Universities use predicted grades (alongside your personal statement, reference, and test results) to decide whether to make you an offer
• Offers are conditional on achieving those predicted grades in your final exams
• If you meet the offer, your place is confirmed
• If you narrowly miss, some universities may still accept you (case by case); others will release you and you’ll enter clearing or adjustment

How predictions should be realistic:

• Wildly optimistic predictions lead to offers the student cannot meet — which wastes an application cycle
• Conservative predictions can close doors to top universities
• Teachers should predict based on the realistic trajectory of the student’s current performance

If you think your predicted grades are too low or too high, have a conversation with your school. It’s better to resolve this in the summer before applying than after submission.

8. Common subject-choice mistakes

Mistake 1: Choosing subjects based on ease.
Picking subjects you find easy may boost your grades, but if those subjects aren’t required for your target course, you’ll be rejected regardless. Always start from the course requirements.

Mistake 2: Not taking Mathematics.
Many competitive courses — including Economics, Engineering, Physics, Mathematics, and increasingly Computer Science — require or strongly prefer Mathematics. Dropping maths in Year 12 closes many doors.

Mistake 3: Overlapping subjects.
Taking three very similar subjects (e.g., Politics, Government, and History) can look redundant. Try to diversify slightly.

Mistake 4: Taking Further Mathematics without proper preparation.
Further Mathematics is a fantastic subject for Oxbridge maths, physics, and engineering applications — but only if you can handle it. A low grade in Further Maths can hurt more than not taking it at all.

Mistake 5: Not checking specific course requirements.
Every university and course has its own requirements. Generalising from one to another is a mistake. Check each specific course page.

Mistake 6: Taking IB HL subjects at the wrong level.
For Oxbridge maths or physics, you need HL Mathematics AA at the highest level. Taking HL AI or SL Mathematics will close those doors.

9. FAQ

Can I apply to UK universities with A-levels from outside the UK?
Yes. CIE (Cambridge International), Edexcel International, and other international A-level boards are accepted by UK universities.

Are AS-levels still relevant for UK applications?
AS-levels are a less common pathway now. Most students take full A-levels directly. Universities focus on predicted A-level grades rather than AS results in most cases.

Can I mix A-levels and IB?
Unusual. Most students take one or the other. Some universities may accept a mixed qualification profile, but it’s simpler to commit to one system.

Do UK universities accept US APs?
Some do, with specific AP score requirements (usually 4s and 5s). Top universities often treat APs as supplements to the high school diploma rather than as direct A-level equivalents.

How is the IB total score calculated?
Each of the six subjects is graded 1–7 (max 42 points). Additional points up to 3 are awarded for Theory of Knowledge and Extended Essay. Maximum total: 45.

Is 40 points in IB equivalent to AAA at A-level?
Roughly, yes. Many universities treat 40 IB points as equivalent to AAA or AA*A at A-level, though the exact equivalence varies by course and university.

What if I don’t meet my conditional offer?
You enter clearing (if you have no firm place) or adjustment (if you do better than expected). Each university will decide case by case whether to still accept you.

Should I take Further Mathematics if I can?
For competitive STEM, economics, and quantitative courses at Oxbridge and Imperial — yes, if you can do well in it. For other courses, it’s less essential.

Are resits accepted for Oxbridge?
Sometimes, but not always. Some courses require first-sitting grades. Check each course’s specific policy.

Your qualification action plan

1. Confirm your target course’s subject requirements. Check the official university website.
2. Verify that your current subjects satisfy those requirements. If not, switch as soon as possible.
3. Talk to your school about predicted grades. Understand what you’re on track for and what you need to do to improve.
4. Don’t assume one qualification is easier than another. Focus on performing well in whichever you’re taking.
5. Check international qualification equivalences if you’re applying from outside the UK.

Unsure whether your subjects keep Oxbridge open? Book a free strategy call and we’ll review your qualification profile against your target courses.

Related articles:

• Oxbridge & Top European University Admissions Guide (2026)
• Oxbridge Admission Requirements Checklist
• Oxbridge Application Timeline & Deadlines 2026
• Building Your University List: Reach, Match & Safety Strategy

Author

About Adam Girsault

With a Bachelor's (LLB) from UCL and Assas, and the Grande Ecole program at HEC Paris, Adam has over 10 years of experience in education and student mentoring. Passionate about helping students achieve their academic dreams, he co-founded Your Dream School to guide students through university admissions and interview preparation for top global institutions.

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