
IAPS is a professional association for Headteachers of leading independent preparatory schools in the UK and overseas. Member schools, which educate pupils up to the age of 13+, must meet stringent criteria for entry and are subject to regular inspection, ensuring high standards of education and pastoral care. The association provides its members with professional support, training, and a collective voice, promoting excellence in the preparatory school sector. It represents over 670 of the world's leading prep schools, making it one of the largest independent school associations.
IAPS Member Schools (441)

Cumnor House Sussex is a co-educational nursery, pre-prep, and prep school set within a 60-acre campus between the South Downs and the Ashdown Forest in West Sussex. Founded in 1931, the school offers day and flexible boarding options, preparing pupils for entry into senior schools. The extensive grounds feature outstanding facilities, including a state-of-the-art STEM building, a 300-seat theatre, a 17th-century music barn, a high-specification art barn, and heated indoor and outdoor swimming pools. Pupils also benefit from extensive sports pitches, a bespoke dance studio, and a nine-hole golf course.

Holmewood House is a co-educational day and boarding preparatory school for pupils aged 3 to 13, set within 32 acres of parkland in Langton Green, Kent. The school is centred around a mansion designed by Decimus Burton, formerly the residence of Sir Charles Locock, physician to Queen Victoria. Established in 1945, Holmewood House focuses on a holistic education that balances a broad curriculum with pastoral care. Notable facilities include a 360-seat theatre, an indoor swimming pool, and a purpose-built music school. The school provides flexible, weekly, and full boarding options.

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.

Croydon High School GDST is an independent day school for girls aged 3 to 18, situated on a 20-acre site in Selsdon, South Croydon. Established in 1874, it was one of the earliest schools founded by the Girls’ Day School Trust. The campus features extensive green space and facilities such as a 25-metre swimming pool, a sports hall, and a dedicated sixth form centre. The school provides a broad curriculum designed to encourage independence and leadership, supported by a wide range of extracurricular clubs and activities.

Hertford Prep, formerly known as St Joseph’s in the Park, is a co-educational independent day school for pupils aged 3 to 11. Set within the historic grounds of Hertingfordbury Park near Hertford, the school occupies a site with 17th-century origins and extensive woodland used for its Forest School. Founded in 1898, it emphasises a nurturing family ethos and a broad curriculum. The school features the Woodlands learning centre, which provides specialist support for pupils with dyslexia and dyscalculia, and has been part of the Mill Hill Education Group since 2021.

Streatham & Clapham High School GDST is an independent day school for girls aged 3 to 18, situated across two sites in South London. Founded in 1887 and a member of the Girls’ Day School Trust, the school features a Prep School in a Victorian building and a Senior School bordering Tooting Common. Notable architecture includes 1930s modernist structures and a contemporary Sixth Form wing. Specialist facilities include a recital hall, art suites, and a floodlit all-weather pitch. Guided by the motto "Towards wisdom unafraid," the school balances academic breadth with a wide-ranging co-curricular programme.

The King's School Gloucester is an independent co-educational day school for pupils aged 3 to 18, encompassing nursery, pre-prep, prep, senior, and sixth form stages. Situated adjacent to Gloucester Cathedral in a historic setting, the school traces its origins back to the medieval Abbey of St Peter before being re-founded by King Henry VIII. It offers a comprehensive academic curriculum alongside a vibrant co-curricular programme, placing a strong emphasis on pastoral care, community values, and traditional cathedral traditions.

Bishopsgate School is a co-educational day school for pupils aged 3 to 13, situated on a 30-acre site in Englefield Green, Surrey, adjacent to Windsor Great Park. Founded in 1896, the school provides a broad curriculum that balances academic study with extensive extracurricular opportunities. Facilities include a modern sports hall, an indoor swimming pool, and a dedicated forest school area. The school focuses on developing well-rounded individuals, preparing them for transition to a wide range of senior schools at the end of Year 8.

Kensington Prep School GDST is an independent day school in Fulham for girls aged 4 to 11. Established in 1873 as the first school of the Girls' Day School Trust, it relocated to its current site in 1997. The school emphasises a "Growing Great Minds" ethos, prioritising curiosity, creativity, and holistic development. Notable facilities include the "Explore Floor" for immersive learning and a playground spanning over an acre with on-site netball and tennis courts. Alumnae include the suffragette Emily Wilding Davison and former US Secretary of State Madeleine Albright.

Manor Lodge School is a co-educational independent day school for pupils aged 3 to 11, located in Shenley, Hertfordshire. Set within 22 acres of countryside, the school is centred around a Grade II listed building and promotes a "classroom without walls" ethos that integrates outdoor and indoor learning. Facilities include the Basil Flashman building, which houses a 320-seat theatre and sports hall with a living roof, and "The Space," a contemporary STEAM-focused atrium. The curriculum emphasises academic breadth alongside a diverse range of sports, music, and dramatic arts.

Collegiate School is an all-through co-educational day and boarding school located in Stapleton, Bristol, catering for pupils aged 3 to 18. Set within extensive grounds, the school provides a holistic education that balances academic rigour with diverse creative, sporting, and extracurricular pursuits. Emphasising an inclusive and grounded community, Collegiate School aims to develop well-rounded individuals who understand their responsibilities within the wider world.

Aldwickbury School is an independent day and flexi-boarding preparatory school for pupils aged 3 to 13, set within 20 acres of grounds in Harpenden. Originally established in 1948, the school is housed in a Victorian mansion and recently began its transition to a fully co-educational environment. Its ethos focuses on holistic development and pastoral care, encouraging kindness and resilience. Notable facilities include a dedicated STEM hub, a heated indoor swimming pool, and a modern sports hall with a climbing wall. The school offers a broad extra-curricular programme alongside traditional academic foundations.