OpenStax
Website Name
Suitable Age
Age 14-16;Age 16-18
Description
A set of free, downloadable peer-reviewed textbooks, oriented around the US AP-level studies but appropriate for UK students aged 14-18.
Country
USA
Revisionguru.co.uk
Website Name
Suitable Age
Age 11-14;Age 14-16;Age 16-18
Description
Helps you with your Economics and Business Studies revision, homework, research and background reading. Hundreds of links to related stories and websites
Country
UK