Hereward House School (/hɛrɪˈwəd hɑːʊs/), also known as HHS, is an Independent Association of Prep Schools (IAPS) independent preparatory school for boys aged 4 to 13, located in Hampstead, London on 14 Strathray Gardens, near Swiss Cottage and Finchley Road. It prepares boys for London day schools as well as London boarding schools (including City of London, Westminster, Mill Hill and Highgate).