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Which A Level subjects to chooseChoose for the degree you want.

The A Levels you choose decide which degrees you can apply for. Here are the subjects usually asked for on the most popular courses, and how to choose if you aren't sure yet.

Quick answer

Start from the degree

Medicine usually needs Chemistry and Biology. Engineering needs Mathematics and almost always Physics. Computer science needs Mathematics. Economics at most leading universities needs Mathematics. Business, accounting and law are more flexible. Most students take three A Levels, and requirements vary by university, so always check the courses you're interested in.

  • Most students take3 A Levels
  • MedicineChemistry and Biology
  • EngineeringMaths and Physics
  • EconomicsMaths usually required

Updated November 2026

Subjects by degree

DegreeUsually requiredAlso useful
Medicine, dentistry, pharmacyChemistry and BiologyMathematics or Physics as the third
EngineeringMathematics and PhysicsFurther Mathematics, Chemistry
Computer scienceMathematicsFurther Mathematics, Physics, Computer Science
EconomicsMathematics at most leading universitiesEconomics
Accounting and financeOften MathematicsAccounting, Economics, Business
Business and managementUsually nothing specificMathematics, Economics, Business, Accounting
LawUsually nothing specificEssay subjects, such as History or English
ArchitectureOften Mathematics; some ask for ArtPhysics, Art

These are typical requirements at universities in the UK and many international universities. Individual universities can differ.

If you don't know what to study yet

Choose subjects you are good at that keep the most doors open. Mathematics is the most widely useful A Level: it is required or preferred for engineering, computer science, economics and many business and finance degrees. Chemistry keeps medicine and most science degrees open.

How many A Levels?

Most students take three A Levels, and some take four. Universities usually make offers based on three, so three strong grades are worth more than four weaker ones.

AS Level and A Level

Cambridge A Levels can be taken in stages, with AS Level at the end of the first year and the rest of the A Level at the end of the second, or all at the end of the course. AS Level is also a qualification in its own right.

Studying in Saudi Arabia or abroad

Saudi universities and medical colleges set their own admission rules for students with British-curriculum certificates. If you plan to study in Saudi Arabia, check each university's admissions requirements early, as well as any certificate equivalency needed.

Your IGCSE grades matter too

Schools usually expect a good IGCSE or O Level grade, often B or above, in any subject you want to take at A Level, and higher for Mathematics and the sciences. Not sure about IGCSE or O Level? Read IGCSE vs O Level.

Free trial class

Sitting IGCSE, O Level or A Level in June 2027?

The June 2027 exams start in late April. Come to a free trial class at our centre in Al-Rehab, Jeddah, and ask us for our free June 2027 revision checklist on WhatsApp.

FAQ

Which A Level subjects to choose: Questions

What A Level subjects do I need for medicine?

Most medical schools ask for A Level Chemistry and Biology, and many prefer a third science or Mathematics. Requirements differ, so check each university.

What A Levels do I need for engineering?

Mathematics and Physics are required for almost all engineering degrees. Further Mathematics or Chemistry can help.

Which A Levels are best for business or accounting?

There is usually no fixed requirement, but Mathematics, Economics, Accounting and Business are all good choices. Mathematics is often preferred for accounting and finance.

Do I need A Level Maths for economics?

Most leading universities ask for or strongly prefer A Level Mathematics for economics degrees.

How many A Levels should I take?

Three is standard. Take a fourth only if you can keep strong grades in all of them.

Which A Level subjects do you teach?

We teach A Level Mathematics, Physics, Chemistry, Accounting, Business and Economics in person in Al-Rehab, Jeddah. The first class is free.

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Send your details and we'll reply with the right batch, its timings and the fees. The first class is free, so your child can try it before you decide. Or simply message us on WhatsApp — most parents do.

Request class details

We reply on WhatsApp, usually the same day.

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A place in the next batch

Message us with the course and subjects you need. We'll tell you what's running, when it meets and what it costs.

Call or message 053 4077 611 info@astraacademyksa.com