Stamford School is an independent school for boys in Stamford, Lincolnshire in the English public school tradition. Founded in 1532, it has been a member of the Headmasters' and Headmistresses' Conference since 1920. With the girls-only Stamford High School and the coeducational Stamford Junior School, it is part of the Stamford Endowed Schools (SES). From September 2023, Stamford will become co-educational.