St Mary's School is a girls-only Independent schools located in Gerrards Cross, Buckinghamshire, in the South East region of England for pupils aged 3–18 with a Anglican character. It currently has a status of Open.
It has 439 pupils on roll. School capacity: 475. Current headteacher: Lars Fox.
This profile is based on official data from the Department for Education (DfE) Get Information About Schools (GIAS) register, updated March 2026.