Haydon School is a mixed secondary school and sixth form in the Northwood Hills area of the London Borough of Hillingdon, Greater London, for students aged 11 to 18.

[citation needed] It was named after the local family, as was Haydon Hall.

[citation needed] At GCSE-Level, the school also offers Latin and community languages including the languages in the above paragraph, as well as: Arabic, Bengali, Greek, Gujarati, Hebrew, Hindi, Punjabi, Persian, Polish, Portuguese, Russian, Turkish, Urdu The Peter Woods building was opened on Thursday 9 July 2009 by former headmaster and namesake Peter Woods.

[citation needed] Haydon School has over 500 students in its sixth form.

For notable pupils of St Nicholas Grammar School, see that article.