"Theme to St Trinian's" is a promotional single recorded by British all-female pop group Girls Aloud for the album St Trinian’s: The Soundtrack (2007), released to promote the film of the same name. The song was written by the film's score composer Charlie Mole and Ali Thompson, while Girls Aloud's recurring collaborators Xenomania provided production. The song is sometimes known as Theme to St. Trinian's Chant.