There is no legal maximum. You can take as many A levels as your school or college will timetable, and in practice that means three or four. A handful of sixth forms allow five. Universities almost always ask for three, so the fourth is a bonus rather than a requirement.
Here is what students actually did. In 2025, the Department for Education published the breakdown for 18-year-olds in England:
| A levels taken | Students | Share |
| 1 | 30,320 | 10.8% |
| 2 | 49,795 | 17.7% |
| 3 | 186,945 | 66.3% |
| 4 | 14,545 | 5.2% |
| 5 or more | 195 | under 0.1% |
So two thirds of the country takes three. Fewer than one in nineteen takes four. Five is rare enough that you could fit everyone doing it into a small theatre.
For scale, Ofqual reported that in August 2026, 835,950 A levels were awarded to 320,505 students across 2,835 schools and colleges. That works out at roughly 2.6 A levels per student once you include people resitting or taking a single subject alongside a BTEC.
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Is there an official limit on A levels?
No. Ofqual does not cap the number of A levels a student can be entered for, and UCAS does not cap how many grades you can list on an application. The limit comes from three practical places:
- Your sixth form's timetable. Most build a four-block option grid, so a fifth subject has nowhere to sit.
- Funding and guided learning hours. State-funded 16 to 19 study programmes are built around a normal load of three A levels plus enrichment.
- Exam clashes. More subjects means more chance of two papers landing in the same session, which the school then has to supervise around.
If you want a fifth subject, you are usually looking at self-studying it and entering as a private candidate, which you pay for yourself.
How many A levels do you need for university?
Three. That is the standard for essentially every UK undergraduate course, including Russell Group and Oxbridge. Typical offers are written as three grades, like AAA or BBB.
A few specific cases ask for more:
- Some Cambridge colleges and a small number of maths-heavy courses like to see Further Maths as a fourth subject, though it is usually preferred rather than required.
- A small number of courses ask for four AS levels or a fourth subject at A level. These are the exception and are always stated on the course page.
Nothing beats checking the actual entry requirements. Course pages list them precisely, and they change year to year. Our complete UCAS guide for 2026 walks through where to find them and how offers are phrased.
Should you take four A levels?
Four is worth it if all three of these are true: you are comfortably on track for A grades in your first three, the fourth subject genuinely helps your degree, and adding it will not drag the other three down.
Four is not worth it if you are taking it to look impressive. Admissions tutors make offers on three grades. A fourth B does not compensate for a first-three set of BBB, and it will not turn a rejection into an offer.
The honest trade-off:
Reasons four can help
- Further Maths alongside Maths for engineering, physics, economics or computer science degrees.
- A fourth language if you are applying for joint honours languages.
- Genuine insurance if you are unsure between two very different degree paths and need to keep both doors open.
Reasons four usually hurts
- Roughly 25% more content, coursework and revision, spread across the same number of weeks.
- Less time for the things that actually move a competitive application: super-curricular reading, admissions tests like the TMUA or LNAT, and a personal statement that is not written in a panic. Our guide to the UCAS personal statement covers what that time is better spent on.
- Higher risk of one grade slipping, which is the grade that costs you your firm choice.
If you want the extra credential without the extra exam load, an Extended Project Qualification is the usual answer. An A* EPQ is worth 28 UCAS points, half an A level, and some universities make alternative offers that drop a grade if you achieve a good EPQ.
How many UCAS points is each A level worth?
| Grade | A level | AS level | EPQ |
| A* | 56 | n/a | 28 |
| A | 48 | 20 | 24 |
| B | 40 | 16 | 20 |
| C | 32 | 12 | 16 |
| D | 24 | 10 | 12 |
| E | 16 | 6 | 8 |
Three A levels at A grade gives you 144 points. Add a fourth at A and you are on 192. That looks impressive on paper, but most competitive courses make grade-based offers, not points-based ones, so the extra 48 points do nothing at Bristol or Warwick and quite a lot at a university that uses tariff offers. Work out where you stand with our UCAS points calculator, and read how to get UCAS points if you are trying to top up.
Can you take 5 A levels?
Technically yes, and 195 students in England did it in 2025. Almost none of them needed to.
The students who pull it off tend to have overlapping subjects, usually Maths, Further Maths and Physics, where the content reinforces itself. Even then, most schools will refuse without evidence of grade 9s at GCSE and a plan for the timetable clashes. If a school says no, that is not them being unhelpful. They are graded on results, and five-subject students have a higher rate of underperformance.
Bottom line: five A levels does not get you into a university that would have rejected you with three.
How many A levels do international students need?
The same three, if you are applying with A levels. Universities publish separate equivalencies for IB, and for national qualifications, and they also set an English language requirement, usually IELTS 6.5 with no component below 6.0 at the more selective universities. Our guide for international students applying through UCAS sets out the timeline and the documents you need.
What if your grades do not go to plan?
You go into Clearing, and it is a normal route, not a failure route. Clearing 2026 runs from 2 July to 19 October, more than 30,000 courses appear in it, and over 50,000 students place through it every year. Start with our UCAS Clearing guide.
The thing students underestimate is accommodation. If you place through Clearing in mid-August, university halls in cities like Leeds, Manchester and London may already be allocated. Purpose-built student accommodation is usually the faster option at that point, and you can compare rooms across UK cities on Acolyte Living.
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Frequently asked questions
Do universities prefer 4 A levels?
No. UK universities make offers on three A levels. A fourth is treated as a positive extra where it is relevant to the course, but it does not lower the grades you need unless the university explicitly says so.
Can you take 2 A levels and still go to university?
Sometimes. A few courses at some universities accept two A levels plus another Level 3 qualification, and foundation years are designed for exactly this. But 17.7% of students finish with two, and most standard three-year degrees will not take that alone.
Can you add an A level in year 13?
Rarely as a full A level, because you would be compressing two years into one. Some students add a one-year A level in a subject with light content, or an EPQ, which is designed to run alongside year 13.
Is it better to do 3 A levels and get AAA or 4 and get AABB?* Three at AAA*, comfortably. Every competitive offer in the country is written in terms of your best three grades.
How many A levels do you need for medicine?
Three, typically A*AA including Chemistry and usually Biology. Medicine schools are explicit that a fourth A level gives no advantage, and several state that they only consider three.