Driving Standards Agency (DSA) administer the driving tests, and have a website you can book them online with

Direct Gov - Very useful Government website with lots on information regarding motoring, and other Government information.

Pass Plus is an excellent driving lessons course offering post test training and further insurance discounts to young drivers. Includes Motorway and Night time driving modules

The Institute of Advanced Motorists offer an Advanced test based on the Roadcraft (Police Driving) manual. Useful for ongoing training, or improving parents driving.

The Royal Society for the Prevention of Accidents (RoSPA) offer some very good further training post test. Parents should consider taking their test!