Chemistry was the fourth most popular A level in the UK in 2026, with more than 65,000 entries, up 3.2% on the year before. It is often called the central science because it links physics, biology and medicine. It is also one of the most widely required A levels for competitive courses. Here is what it involves, where it can take you, and how to tell whether it is right for you.
1. What you actually study
The course has three strands. Physical chemistry covers amount of substance, atomic structure, bonding, energetics, kinetics, equilibria and redox. Inorganic chemistry covers trends in the periodic table and transition metals. Organic chemistry covers functional groups, reaction mechanisms, benzene, synthesis, and analysis techniques such as NMR and mass spectrometry.
2. Who it suits
Students who enjoy working out why things happen, not just what happens. You need to be comfortable with calculations, careful in practical work, and patient with abstract ideas such as bonding and mechanisms, which make more sense the more you practise them.
3. GCSE grades you’ll usually need
Typically a grade 6 in GCSE Chemistry or 6-6 in Combined Science, and many sixth forms also set a minimum grade in Maths. Some ask for 7s. Requirements vary, so check each prospectus.
4. How it’s assessed
Three exam papers at the end of Year 13, with no coursework. AQA sets three two-hour papers. Edexcel and OCR use papers of different lengths, including one that covers the whole course. You complete at least 12 practical activities for the practical endorsement, which is reported separately as Pass or Not Classified. At least 20% of exam marks test maths, double the minimum for Biology.
5. Skills you’ll develop
Quantitative problem solving, precise practical technique, data analysis, logical reasoning, spatial thinking about molecules, and clear scientific writing.
6. Subjects it pairs well with
Biology for medicine, dentistry, vet and life sciences. Maths and Physics for chemical engineering, materials and the physical sciences. The Medical Schools Council reports that 64% of accepted medicine and dentistry applicants held Biology, Chemistry and Maths. Chemical engineering courses such as Imperial’s and Manchester’s pair Chemistry with Maths.
7. Degrees that require it
Chemistry, Biochemistry, Pharmacy, Veterinary Science and Chemical Engineering usually require it, and most medicine courses do too. Oxford Medicine, for example, requires Chemistry plus Biology, Physics or Maths. The Royal Society of Chemistry says dentistry normally needs Chemistry and Biology. But not every course is the same: the Medical Schools Council says at least 34 UK medicine courses do not require Chemistry. Check the exact course.
8. Degrees where it helps
Natural Sciences, Biology, Biomedical Science, Forensic Science, Dietetics, Materials Science, Environmental Science, Geology and Physics. Cambridge Natural Sciences doesn’t require Chemistry on its own, yet 97% of its biological-stream entrants and 89% of its physical-stream entrants had taken it.
9. Apprenticeships it leads to
Laboratory Technician (Level 3), Science Manufacturing Technician (Level 3), and the Laboratory Scientist degree apprenticeship (Level 6), which leads to roles such as analytical chemist and formulation scientist. Pharmaceutical, chemical, food and energy companies all recruit apprentices.
10. Careers it leads to directly
Prospects lists these jobs as directly related to a chemistry degree: analytical chemist, medicinal chemist, forensic scientist, toxicologist, pharmacologist, food technologist and laboratory technician. Chemistry is also essential for doctors, vets, pharmacists and dentists.
11. Careers you might not expect
Prospects also lists actuary, data analyst, patent attorney and teacher as jobs where a chemistry degree is useful. Chemists also work in cosmetics, sustainable materials, battery technology, perfumery, art conservation and climate science.
12. Routes that don’t involve university
School leavers can join laboratory and manufacturing apprenticeships, then work up to degree level while being paid. Search live vacancies on the government’s Find an apprenticeship service. The Royal Society of Chemistry’s Future in Chemistry pages include job profiles and routes in.
13. Common myths
- “Every medical school needs Chemistry.” Most do, but at least 34 UK medicine courses don’t.
- “The practical endorsement doesn’t matter.” Oxford, Imperial, Manchester and the Royal Veterinary College are among those that require a pass.
- “It’s just learning reactions.” A fifth of the marks are maths, and the best answers explain why reactions happen.
14. How hard it really is
Chemistry has a reputation as one of the toughest A levels, mainly because of the jump in abstract ideas and calculations. But results are good: in 2026, around 32% of UK entries got an A* or A, above the all-subject figure of 28.5%. Strong GCSE maths and regular practice of calculations and mechanisms make the biggest difference.
15. Clubs, competitions and wider reading
The Cambridge Chemistry Challenge (C3L6) is a 90-minute paper for Year 12, and top scorers are invited to a summer camp. In Year 13, the free UK Chemistry Olympiad starts with a two-hour paper in school. The top four go on to represent the UK at the International Chemistry Olympiad.
16. Questions to ask at sixth form open evenings
- Which exam board do you use?
- What GCSE Maths grade do you expect for Chemistry?
- How much lab time will I get each week?
- Do students enter the Chemistry Olympiad or C3L6?
- How do you support students applying for medicine, vet or pharmacy?
17. Is it right for you? A quick checklist
- I got (or am on track for) a 6 in GCSE Chemistry or 6-6 in Combined Science.
- I’m confident with GCSE maths, especially rearranging equations.
- I like understanding why things happen.
- I enjoy careful practical work.
- I’m considering medicine, vet, pharmacy, engineering or science.
If you ticked most of these, A level Chemistry is worth serious thought.
Find out more
- DfE: A level science subject content (PDF)
- EngineeringUK: A level results 2026 (PDF)
- Medical Schools Council: Subject requirements for medicine
- Royal Society of Chemistry: Do I need chemistry to…?
- University of Cambridge: Natural Sciences
- Prospects: What can I do with a chemistry degree?
Entry requirements change each year. Always check the latest details with the sixth form, university or employer. Looking at other post-16 options too? Read our guide to V Levels, or browse all our A level subject guides.