Science Practicals As a Private Candidate: What Centres Must Do

What the endorsement is

A-Level Biology, Chemistry and Physics carry a practical endorsement alongside the written papers. It is based on twelve required practical activities and is reported separately as either Pass or Not Classified. It does not contribute to the A star to E grade. The grade comes entirely from the written papers. But the endorsement appears on the certificate, and a substantial share of the written marks — at least fifteen per cent of an A-Level science — assesses practical skills, so the work is not optional in any meaningful sense even where the endorsement itself is. Many university offers for science and health-related courses require a pass in the practical element. Treat it as necessary rather than optional.

What a centre is required to provide

This is the part candidates rarely know. Centres are not free to simply decline the practical element. OCR states that centres must make reasonable provision for candidates to access the practical endorsement — either by running the practicals themselves or through an established arrangement with another institution — and that without such provision they cannot enter the candidate at all. AQA states that schools and colleges must provide the opportunity for all candidates, including private candidates, to complete non-exam assessments and the practical skills endorsement. In practice, centres vary widely in whether they deliver practicals. Some run full laboratory programmes; some enter written papers only and require candidates to evidence an endorsement obtained elsewhere. Ask directly, and ask before you enrol.

If you already hold a Pass, it carries forward — across series and across awarding bodies. You are resitting written papers only, and you should be paying accordingly.

The exemption that saves most resitters money

If you have already been awarded a Pass in the practical endorsement, it carries forward. You do not repeat the twelve practicals. OCR confirms that a previously awarded Pass carries forward regardless of your resit grades and does so even where the resit is with a different awarding body, provided the correct entry codes are used. AQA states that the science practical result carries forward even if it was awarded by a different exam board. It carries for the lifetime of the specification, with no time restriction. Two conditions attach. Your entry must use the same unique candidate identifier as the original award, and the carry-forward has to be requested by the entry deadline rather than afterwards. This is worth real money. A candidate resitting two sciences who already holds endorsement passes needs written entries only, not laboratory programmes.

If you need a new endorsement

If you have never been awarded the endorsement — because you did not complete Year 13, or sat a qualification that did not include it — you need a centre that actually delivers the practicals. The twelve activities need laboratory time, technician support and an assessor competent to judge practical competence, which is why fewer centres offer it than offer written entry. Expect it to be scheduled separately from any taught course, and expect it to cost more than a written entry, because it costs the centre more to run. One further note: AS qualifications do not carry a formal practical endorsement, though the papers assume the required practical activities have been carried out. If you are moving between AS and A-Level, check what you actually hold before assuming anything carries forward.