GCSE science for adults: which course should you choose in 2026?

What are the GCSE science options for adults?

Every one of these is the same AQA qualification a school candidate sits, graded 9 to 1, on the Ofqual register. Combined Science carries qualification number 601/8758/X and Biology 601/8752/9. There is no "adult version" of a science GCSE, and that is exactly why universities and employers accept it without question.

Is Combined Science enough for nursing, teaching and university?

For most purposes, yes. Combined Science is worth two GCSEs, so an adult who passes it at 4-4 holds two science GCSEs at the standard pass. Nursing and midwifery degree pages typically ask for GCSE English, maths and a science at grade 4 or above, and Combined Science meets a "science" requirement in the same way separate sciences do. Primary teacher training in England requires GCSE English, maths and science at grade 4 (or equivalent), and Combined Science is the normal way school leavers meet that science requirement.

Two situations change the answer. First, where an application names a subject: some adult nursing, midwifery and paramedic courses specify biology, and a few lab or pharmacy routes specify chemistry. Read the entry requirements page of the exact course, not the general prospectus. Second, where you plan to go on to an A Level in one science: a separate GCSE in that subject at grade 6 or 7 is the usual gate for A Level Biology, Chemistry or Physics, and studying the single subject first builds the right depth.

How do adults sit GCSE science exams?

You sit the same written papers as school candidates, as a private candidate. There is no practical exam at GCSE: the required practicals (21 for Combined Science, 10 for Biology) are examined in the written papers, and at least 15% of the marks in each paper test practical knowledge. That is what makes science one of the GCSEs best suited to online adult study, because nothing is assessed in a laboratory.

All science GCSEs are examined in the May/June series only. There is no November series for science, so the exam date, not your study speed, sets the earliest finish. On Lift College's +Exams plan the AQA entry and the centre fee are included and your seat is booked for you at one of ten Tutors & Exams centres across England (Birmingham, Bolton, Coventry, Doncaster, High Wycombe, Mitcham, Newcastle, Romford, St Neots and Taunton). On the Study plan you arrange your own private candidate entry.

Each science is sat at Foundation or Higher tier, with all papers at the same tier in the same series. Foundation covers grades 1 to 5 (1-1 to 5-5 for Combined Science) and Higher covers 4 to 9. If a grade 4 or 5 is your target, Ofqual's guidance is to sit Foundation; a 4 on Foundation is worth exactly the same as a 4 on Higher. You choose the tier with your tutor after your mock papers, and on +Exams you are entered at the tier you agree.

How long does a science GCSE take an adult?

Combined Science is the biggest single GCSE course because it covers three sciences in six papers: most adults allow 12 to 24 months at 8 to 12 hours a week. A single science takes most adults 12 to 18 months at a similar weekly commitment, or faster with more hours. Because entry deadlines for the May/June series fall in the preceding February, an adult starting in the autumn is usually sitting the following summer, and an adult starting in the spring is usually sitting the summer after that.

What does it cost?

Lift College's GCSE Combined Science costs £39.99 on the Study plan and £89.99 on +Exams with the AQA entry and Tutors & Exams centre fee included. GCSE Biology, Chemistry and Physics are each priced at £39.99 on Study and £69.99 on +Exams. Every course opens with a 7-day free trial, with nothing charged until day 8, and a 14-day money back guarantee on every payment. Adults aged 19 or over in England without a grade 4 in English or maths are entitled to funded tuition in those two subjects at a college, but science GCSEs are not covered by that entitlement, so an online course is the usual route.

Which GCSE science should you choose? A decision guide

• Your application says "a science GCSE" or "science at grade 4": take GCSE Combined Science. One course, two GCSEs, the broadest acceptance.
• Your application names biology (adult nursing, midwifery, paramedic science, sport): take GCSE Biology. Two papers, 12 to 18 months.
• Your application names chemistry, or you want A Level Chemistry next: take GCSE Chemistry.
• Your route is engineering or electrical, or you want A Level Physics next: take GCSE Physics.
• You already hold one science GCSE and need "two sciences": Combined Science on its own meets this, because it counts as two. Alternatively add the single science you do not hold.
• You need maths or English as well: add GCSE Mathematics or GCSE English Language; both also run a November series for candidates aged 16 or over, so they can be sat before your science.

If you are still unsure, the entry requirements page of the course you are applying to settles it. Where it does not name a subject, Combined Science is the safe default.