
The GSA acts as the professional association for the Heads of leading independent girls' schools in the United Kingdom. A constituent member of the Independent Schools Council (ISC), the organization advocates for the specific benefits of single-sex education, aiming to empower young women to become confident leaders. Beyond advocacy, it provides professional development for teachers, promotes high academic standards, and serves as a representative voice for the girls' school sector in media and government policy discussions.
GSA Member Schools (56)

Cobham Hall is a co-educational independent day and boarding school for pupils aged 11 to 18, set within 150 acres of historic parkland in Kent. Housed in a Grade I listed Tudor mansion, formerly home to the Earls of Darnley, the school features grounds designed by the landscape architect Humphry Repton. As a member of the Round Square network, Cobham Hall emphasises a holistic education focused on character and global citizenship. Part of the Mill Hill Education Group, the school provides diverse facilities, including the ornate Gilt Hall and modern creative arts and sporting centres.

Abbot's Hill School is an independent day school for girls aged 4 to 16, with a co-educational nursery, located in Hemel Hempstead, Hertfordshire. Set within 70 acres of parkland, the school is housed in a late 19th-century mansion originally built for the Dickinson family. Founded in 1912, it provides a broad education across its Prep and Senior departments. The school emphasises a holistic approach to learning, supported by facilities including a sports hall and a performing arts centre, aiming to develop well-rounded individuals within a historic setting.

Bromley High School GDST is an independent day school for girls aged 4 to 18, situated on a 25-acre campus in Bickley, Greater London. Established in 1883 and a member of the Girls’ Day School Trust, the school moved to its current site in 1981. It holds the distinction of being the world's first all-girls All-Steinway School, housing a specialist music wing. Facilities include a 25-metre indoor swimming pool and floodlit sports pitches. The school provides a rigorous academic environment alongside a diverse range of extracurricular opportunities in music, sport, and the arts.

Notting Hill and Ealing High School GDST is an independent day school for girls aged 4 to 18, situated in Ealing. Established in 1873 as a founding member of the Girls' Day School Trust, the school relocated to its current premises in 1931. The curriculum combines academic study with a strong emphasis on creativity and physical activity. Notable facilities include a 25-metre indoor swimming pool, a four-court sports hall, and a rooftop dance and fitness studio. Its ethos focuses on nurturing independent, confident individuals within a supportive and inclusive learning environment.

Wimbledon High School GDST is an independent day school for girls aged 4 to 18, situated in the heart of Wimbledon, London. Founded in 1880 by the Girls’ Day School Trust, the school occupies a town-centre site featuring Victorian buildings and modern additions, including a dedicated STEAM tower. Its playing fields at Nursery Road possess significant sporting heritage as the original home of the All England Lawn Tennis Club. The school focuses on fostering intellectual curiosity and resilience, encouraging pupils to explore a broad range of academic and co-curricular opportunities.

Benenden School is an independent boarding school for girls aged 11 to 18, situated within the 250-acre Hemsted Park estate near Cranbrook, Kent. Founded in 1923, the school is centred on Hemsted House, a Victorian mansion built in the 1860s. Its educational approach follows a 'Complete Education' model, which integrates academic study with professional skills and personal development. Facilities include a dedicated science centre, a professional-standard theatre, and a music school with a concert hall. The expansive grounds accommodate a variety of activities, including lacrosse, hockey, and equestrian sports.

Berkhamsted Prep is a co-educational day school in Hertfordshire for pupils aged 7 to 11. As part of the Berkhamsted Schools Group, which was founded in 1541 by John Incent, the school operates within a "diamond" structure. It is situated at the Doctors Commons Road campus and offers a progressive curriculum rooted in traditional standards. Facilities include specialist classrooms for science and art, alongside access to senior school resources such as a 25-metre swimming pool and a 500-seat theatre. The school focuses on developing well-rounded individuals through diverse academic and sporting opportunities.

Blackheath High School GDST is an independent day school for girls aged 3 to 18, situated on the edge of the Heath in South East London. Founded in 1880 as the first purpose-built school of the Girls’ Day School Trust, it was officially opened by Princess Louise. The school operates across two sites: the Junior School in Blackheath Village and the Senior School at Vanbrugh Park. Facilities include an £18 million campus redevelopment with a state-of-the-art library, fitness suite, and an extensive sports campus at Kidbrooke Grove.

Situated in the heart of Brighton, Brighton Girls GDST is an independent day school for girls aged 3 to 18. Part of the Girls’ Day School Trust, the school was founded in 1876 and claims to focus on the joy of learning, instilling curiosity, adventure, and independence. The main campus at Montpelier Road features the historic Temple building. Facilities include a sports hall, gym, dance studio, and an Astroturf pitch. The school provides an all-through education, comprising a prep school, senior school, and sixth form within a vibrant urban setting.

Burgess Hill Girls is an independent day and boarding school for girls aged 2 to 18, situated on a 14-acre campus in a conservation area of Burgess Hill, West Sussex. Founded in 1906, the school provides an all-through education including a co-educational nursery. On-site facilities include a Creative Arts Centre, a Science and Technology Hub, and an athletics track. The school’s ethos is summarised by its motto, 'I am, I can, I should, I will', which focuses on the development of individual potential. Boarding is available for students from age 11.

Bute House Preparatory School for Girls is an independent day school for pupils aged 4 to 11, located near Brook Green in Hammersmith. Established in 1958 on land leased from the Mercers’ Company, the school maintains a distinctive non-competitive ethos that avoids academic streaming. The broad curriculum emphasises a well-rounded education, supported by modern facilities including a science laboratory, art studio, and a signature pirate ship playground. While Bute House shares some sporting facilities with St Paul’s Girls’ School, it operates as an independent, mixed-ability environment focused on developing inquisitive and confident learners.

Channing School is an independent day school for girls aged 4 to 18, located on Highgate Hill in North London. Founded in 1885 by the Reverend Robert Spears and sisters Emily and Matilda Sharpe, it remains the only independent Unitarian school in Britain. The school occupies two sites, with the Junior School at Fairseat bordering Waterlow Park. Its facilities include the Grade II listed Brunner House, a performing arts centre, and a sports hall. The school's ethos is rooted in the Unitarian principles of scholarship, integrity, altruism, and independence.