St Mary's Catholic Primary School, Isleworth is a primary voluntary-aided school in Isleworth, London. It has not yet been rated by students on y.school. Be the first to rate this voluntary-aided school and help other students and parents understand what the school experience is really like.
In terms of academic performance, St Mary's Catholic Primary School, Isleworth has 86% of pupils meeting the expected standard in reading, writing, and maths at KS2.
The school has a teacher turnover rate of 20.9%, 8% of pupils eligible for free school meals.
All student scores on y.school are calculated from anonymous ratings using a transparent, deterministic methodology. Scores are freshness-weighted (18-month half-life) and include confidence tiers based on sample size, diversity, and consistency. For full details, see the y.school methodology.
At St Mary's Catholic Primary School, Isleworth, 86% of pupils met the expected standard in reading, writing, and maths combined at the end of Key Stage 2.
88% met the expected standard in reading and 95% in maths.
The teacher turnover rate at St Mary's Catholic Primary School, Isleworth is 20.9%. This measures the percentage of teachers who left the school in the past year.
8% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
Source: Department for Education, Ofsted. Data shown for context only — does not influence the Student Score.
Data last updated: April 2026
St Mary's Catholic Primary School, Isleworth was rated "Good" by Ofsted following an inspection in June 2022 (3 years ago). Based on Ofsted's inspection cycle, St Mary's Catholic Primary School, Isleworth is due for reinspection this year (2026).
A "Good" rating means Ofsted found the school provides a high standard of education across all areas assessed. Around 65% of schools in England are rated Good, making it the most common rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While St Mary's Catholic Primary School, Isleworth's rating shown above was awarded under the previous system, Ofsted now provides more granular assessments. For the most up-to-date inspection information, check the school's report card on the Ofsted website.
Ofsted data is displayed for context only and does not influence the Student Score. For the official Ofsted report, visit reports.ofsted.gov.uk.
Crime Nearby
420/mo
Within ~1 mile (Police.uk)
Violent Crime
117/mo
28% of total
Air Quality
Good
NO₂: 16.6 µg/m³ · PM2.5: 8
Bus Stops
14
Within 500m
Nearest Station
Isleworth Rail Station
1.0km away
Source: Police.uk, DEFRA UK-Air, DfT NaPTAN. Based on the school's location — actual conditions may vary.
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Other schools in the Isleworth area
Parent View
Would Recommend
57%
Child is Happy
21%
Child Feels Safe
29%
Source: Department for Education / Ofsted. Data shown for context only — does not influence the Student Score. Small schools may show extreme percentages due to small sample sizes.