A family of 25 girls schools, including 23 independent schools and two academies, across England and Wales.We have over 3,500 staff, nearly 19,000 students between the ages of three and 18, and an alumnae network of over 100,000 - the largest of its kind in the UK.As a charity that owns and runs a network of 23 schools and two academies in England and Wales, it reinvests all its income in its schools.Founded in 1872, the GDST has a long history of pioneering innovation in the education of girls, and is the largest single educator of girls in the UK (and the UKs largest educational charity).GDST schools and academies: The Belvedere Academy, Liverpool Birkenhead High School Academy Blackheath High School Brighton & Hove High School Bromley High School Croydon High School Howells School, Llandaff, Cardiff Kensington Prep School Newcastle High School for Girls Northampton High School Northwood College for Girls Norwich High School for Girls Notting Hill & Ealing High School Nottingham Girls High School Oxford High School Portsmouth High School Putney High School The Royal High School, Bath Sheffield High School Shrewsbury High School South Hampstead High School Streatham & Clapham High School Sutton High School Sydenham High School Wimbledon High School