All the St. George ISOM Schools in Spain are fully authorised by the appropriate Spanish authorities. These authorisations are achieved by means of inspections led by the National Associations of British Schools in Spain (NABSS).
The 5 St. George are members of the National Association of British Schools in Spain, founded in 1978 to promote, maintain and defend British education in Spain. The Association also runs an extensive professional development programme and an inspection system.
University of Cambridge International Examinations (CIE) is the major provider of international examinations for ages 14-19. They are a non-profit organisation, which forms part of the University of Cambridge.
Edexcel is the biggest organization in the United Kingdom that awards academic and professional degrees to schools, businesses and other educational centres both within the UK and internationally.
Their academic examinations include GCSE, GCE (A level) and International GCSE.