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The Marist School

Kings Road, Sunninghill, SL5 7PS

Independent school for ages 2–18 in Sunninghill. Mixed intake, Roman Catholic.

The Marist School is a selective Roman Catholic independent school in Ascot, within Windsor and Maidenhead. It teaches boys and girls aged 2 to 18, has nursery classes, a sixth form and around 450 pupils.

The school describes a down-to-earth environment, education from nursery to sixth form and a 55-acre woodland setting with outdoor exploration and modern facilities.

Its March 2024 ISI inspection found standards and safeguarding standards met, with leaders and governors promoting teaching, learning and care. GCSE Attainment 8 was 71.9, 92.5% achieved grade 5+ in English and maths, and the A-level average grade was B+.

Ages 2–18 · All-through
447 pupils · On roll
Independent school · Mixed

Open days and visits at The Marist School

Verified on the school’s website

Dates below were read from the school’s own pages. Use the source link to check the latest details.

Read from the school’s own website and kept up to date. Schools change dates without notice — always confirm on their page before you travel.

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 Windsor and Maidenhead’s deadlines and how to apply →