ReviseNOW
Revision software package for GCSE Physics, Chemistry, Biology, Geography and Business Studies [Win]. Site includes revision tips and advice on revision guides.

Test My Knowledge
Online tests for GCSE and A level (AS and A2) in maths, science, French, economics and English. Requires payment. Results are returned by e-mail.

Test Yourself
Allows students to customise online tests with instant feedback. For Key Stage 3, GCSE and AS Level students. Various subjects, including mathematics, science, English and geography.

BBC KS3 Bitesize
Online revision service for Key Stage English, Maths and Science. Topic reviews, sample test questions, discussion boards and games.