County Secondary School Clapham x Clapham County School x Walsingham School x Thomas' Preparatory School

The County Secondary School Clapham, also known as Clapham County School, was situated on Broomwood Road, SW11. It was a girls' school that opened in September 1909 and was maintained by the London County Council. In 1978 it became 'Walsingham School', which changed in 1993 to 'Thomas' Preparatory School'. The building is Grade II listed.