Stamford School is a co-educational independent school 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 former Stamford High School and the coeducational Stamford Junior School, it is part of the Stamford Endowed Schools (SES). From September 2023, Stamford became co-educational.

Stamford is a town and civil parish in the South Kesteven district of Lincolnshire, England. The population at the 2011 census was 19,701 and estimated at 20,645 in 2019. The town has 17th- and 18th-century stone buildings, older timber-framed buildings and five medieval parish churches. It is a frequent film location. In 2013 it was rated a top place to live in a survey by The Sunday Times. Its name has been passed on to Stamford, Connecticut, founded in 1641.