St Mary's School Ascot

About St Mary's School Ascot

St Mary's School Ascot is an independent school in Ascot, Windsor and Maidenhead, England, for pupils aged 11–18. It has 384 pupils on roll and admits girls pupils only. The school has a Roman Catholic religious character. At GCSE, pupils achieved an average Attainment 8 score of 32.2 (2025/26). 0% of pupils are eligible for free school meals.

School Information

Local Authority

Windsor and Maidenhead →

School Type

Other independent school

Age Range

Ages 11–18

Gender

Girls

Pupils / Capacity

384 / 405 (95%)

Sixth Form

Has a sixth form

Nursery

No Nursery Classes

Religious Character

Roman Catholic

Who attends this school — useful context if you’re considering teaching here.

Source: DfE School Census, 2025/26, licensed under the Open Government Licence v3.0.

Official Department for Education results, pupil destinations and attendance.

Source: Department for Education performance tables, 2025/26, licensed under the Open Government Licence v3.0. Some independent schools’ qualifications (e.g. IGCSEs) are not all reflected in these figures.

Contact Details

Address

St Mary's Road, Ascot, Windsor and Maidenhead, SL5 9JF

Phone

01344296611

Headteacher

Danuta Staunton

Website

https://www.st-marys-ascot.co.uk

Frequently asked questions

What type of school is St Mary's School Ascot?

St Mary's School Ascot is an independent school in Ascot, Windsor and Maidenhead, England, for pupils aged 11–18.

Is St Mary's School Ascot a girls school?

Yes — St Mary's School Ascot is a girls school.

How many pupils does St Mary's School Ascot have?

St Mary's School Ascot has 384 pupils on roll, according to Department for Education data.

How does St Mary's School Ascot perform at GCSE?

Pupils at St Mary's School Ascot achieved an average Attainment 8 score of 32.2 in 2025/26.

Where is St Mary's School Ascot?

St Mary's School Ascot is located at St Mary's Road, Ascot, Windsor and Maidenhead, SL5 9JF.