Highgate School, formally Sir Roger Cholmeley's School at Highgate, is a co-educational, fee-charging, private day school, founded in 1565 in Highgate, London, England. It educates over 1,400 pupils in three sections – Highgate Pre-Preparatory School, Highgate junior school and the senior school (11+) – which together comprise the Highgate Foundation. As part of its wider work the charity was from 2010 a founding partner of the London Academy of Excellence and it is now also the principal education sponsor of an associated Academy, the London Academy of Excellence Tottenham, which opened in September 2017. The principal business sponsor is Tottenham Hotspur FC. The charity also funds the Chrysalis Partnership, a scheme supporting 26 state schools in six London boroughs.

Highgate is a suburban area of London at the northeastern corner of Hampstead Heath, 4+1⁄2 miles north-northwest of Charing Cross.