St Mary's School

Packhorse Road, Gerrards Cross, SL9 8JQ

Independent school for ages 3–18 in Gerrards Cross. Girls intake, Anglican.

St Mary's School is an independent Anglican school for girls in Gerrards Cross, Buckinghamshire. It teaches ages 3 to 18, has nursery classes and a sixth form, and serves around 439 pupils.

Its ISI inspection in October 2025 found standards met, including safeguarding standards.

The school says it has been empowering girls since 1872 and describes a holistic approach in which students are encouraged to embrace their potential, feel a sense of belonging and build confidence.

Ages 3–18 · All-through

439 pupils · On roll

Independent school · Girls

Open days and visits at St Mary's School

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Primary applications close on 15 January 2027; secondary applications close on 31 October 2026. Sign in and create a planner to keep the deadline and school visits together. See Buckinghamshire’s deadlines and how to apply →