KS3 Bitesize:

Key Stage 3 revision site for Maths, English and Science

Edexcel Examzone:

Provides all the information you need to help you prepare for Edexcel exams

GCSE Bitesize:

BBC revision site covering a wide range of GCSE subjects

Revision World:

GCSE and A Level revision site

Project A Level:

Revision site for Biology, Business Studies, Computing, Economics, Geography, Maths and Physics

S-Cool:

Revision and teaching materials for GCSE / A-levels, hints and tips for passing exams and more

National Geographic:

Provides free maps, photos, videos and daily news stories

Ask:

Internet search engine

Google:

Internet search engine

Ask Oxford:

Contains Oxford University Press free Online Dictionary