← Back to discoverMore to come. Open days, admissions criteria and deadlines for this school are on the way — sign in and create a planner to track them. For now this page shows the verified facts we hold from official sources. In the meantime, see Windsor and Maidenhead’s deadlines and how to apply →
St Mary's School Ascot
St Mary's Road, South Ascot, SL5 9JF
Independent school for ages 11–18 in South Ascot. Girls intake, Roman Catholic.
St Mary's School Ascot is a Roman Catholic independent boarding school for girls aged 11 to 18 in Ascot, within Windsor and Maidenhead. It has a sixth form and around 380 pupils.
The school describes itself as Catholic, girls', full boarding, small and academic, set in 55 acres with the chapel at the heart of community life. It says boarding life offers co-curricular opportunities and support beyond the teaching day.
Its January 2025 ISI inspection found standards and safeguarding standards met; the A-level average grade was A-, and 41.2% achieved AAB or better in two or more facilitating subjects.
Ages 11–18 · Secondary age
384 pupils · On roll
Independent school · Girls