Classpot

The Marist School

Windsor and Maidenhead, SL5 7PSAll-throughAges 2–18MixedPrivate

About The Marist School

The Marist School is an independent day school in Windsor and Maidenhead, South East, for pupils aged 2 to 18 for boys and girls. GIAS records 401 pupils on roll and a published capacity of 672.

Figures can refer to different reporting periods. Check the date and source shown beside each section. How Classpot uses published data.

GIAS school facts

Official identity and contact facts; operational fees and services appear only when separately reviewed.

Age range
2–18
Education stages
Early years, Primary, Secondary, Sixth form
Gender
Mixed
Pupils on roll
401
Published capacity
672
Inspectorate
ISI inspection regime
Day-school evidence
No boarders; Does not have boarders
Area classification
Urban: Nearer to a major town or city
Published admissions policy
Selective
Address
Kings Road, Sunninghill, Ascot, Windsor and Maidenhead, SL5 7PS
Telephone
01344624291
School website
Visit official website

Source: GIAS establishment record · published 20/08/2026

Pupils and staffing

Official figures for 2025/26.

Pupils
401
Girls / boys
389 / 12
Teachers (headcount)
64
Teachers (FTE)
53
Pupils per teacher FTE — not class size
7.6
Area classification
Urban: Nearer to a major town or city
Published admissions policy
Selective

Source: official publication (04/06/2026) · official publication (04/06/2026)

Destinations of 2022/23 leavers

Historical DfE destination measures; these do not describe the current leaving cohort.

Level 3 cohort
16
Sustained destination
100%
Higher education
81.3%

Source: official publication (23/04/2026)

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