There are a huge number of sites that are related to drugs in general. Drugs education is more difficult to find.

www.drugscope.org.uk
The UK's leading charity and centre of expertise on drugs. Good quality information and lots of it

www.wiredforhealth.gov.uk
DfES site providing health information for teachers

www.galaxy-h.gov.uk
DfES site for Key Stage 2 - covers main areas of PSHE and the National Healthy School Standard. Has classroom activities and links to the National Cirriculum.

www.ash.org.uk
Information on smoking and the tobacco industry. Seperate section on Schools Resources