Mount House School is a private day school for pupils from 11 to 18. The school is co-educational and is situated in Monken Hadley, in the London Borough of Barnet. It was previously the Architectural Association School between 1940–45; and then St Martha’s Catholic School for Girls was founded in 1947 at Mount House from the mid-20th Century until 2017. In September 2017 the school became co-educational and the first intake of boys was accepted into Year 7 and the Sixth Form. The school is known for its excellent pastoral care, being able to stretch students to achieve their best including able students wanting a smaller environment to thrive, and nurture through the community atmosphere.