The school has extensive on-site facilities and is constantly renewing and expanding them whenever it can.
The main school building was opened in 1975 and contains an assembly hall, the kitchens and canteen, the library, the laboratories and study rooms of the Science Wing and suites of teaching rooms for Languages, English and Humanities. Classrooms throughout the school all have a computer and the vast majority are also multimedia equipped, with an interactive whiteboard, data projector and stereo sound system. The PE and Sports facilities include a gym equipped with a climbing wall, multi-gym, sports hall, on-site games pitches and astros.
A boys’ grammar school in the London Borough of Sutton (UK), Wilson’s School is: