For international registrations, please contact the British Science Association team:
Email: crest@britishscienceassociation.org

Note: Separate, tailored arrangements are in place in countries which have a specific agreement with the British Science Association.

British Forces Overseas schools, with a BFPO address, are considered part of the UK system and will continue to be treated as British schools by CREST.

The costs of registering International students are explained here.