The school is co-educational and is situated in Monken Hadley, in the London Borough of Barnet.

In September 2017 the school became co-educational and the first intake of boys was accepted into Year 7 and the Sixth Form.

[6] Green trained at St. Thomas' Hospital before setting up practice at Lincoln's Inn Fields.

Having served as the first representative of the Royal College of Surgeons on the establishment in 1858 of the General Medical Council (GMC), Green was appointed by the government as the second President of the GMC in succession to Sir Benjamin Collins Brodie, and Green held this office until his death at Mount House on 13 December 1863 following an acute seizure a month earlier.

Between 1940-45, Mount House was the home of the Architectural Association School during World War II.