Spelthorne College was a single-campus sixth form college on High Street, Ashford, Surrey, England. It was formed in 1975 as a successor to Ashford Sixth Form College and Sunbury Sixth Form College. Its campus was founded in 1911 as Ashford County Grammar School, which became a sixth form college in 1975. In 2007 Spelthorne College merged with Brooklands College in Weybridge.