Heath Mount School is a Church of England co-educational independent prep school near Watton-at-Stone, Hertfordshire, England. It admits pupils aged 3 to 13. It was founded as Heath Mount Academy in Hampstead in 1796. In 1934 it was relocated to a Georgian mansion on the Woodhall Estate in rural Hertfordshire. For the 2022 academic year, 498 students were enrolled: boarding pupils and day pupils and girls and boys.