Wilson's School is a boys' grammar school with academy status in Wallington in the London Borough of Sutton, England. The school educates approximately 1,100 pupils, with entry by academic selection based on performance in an entrance examination. 180 boys are expected to be admitted per year. GCSE and A-Level results consistently place it within the top ten schools in the country.
It was founded as Wilson's Grammar School in Camberwell in 1615, making it one of the country's oldest state schools. Wilson's moved to its present location on part of the site of the former Croydon Airport in 1975. It became voluntary aided in 1997 and an Academy in June 2011.