St Mary's Catholic Primary School, Isleworth
Primary schoolSt Mary's Catholic Primary School, Isleworth is a primary school in Hounslow, for pupils aged 3 to 11. It had 399 pupils at the school census in January 2026.
Ofsted
Latest inspections as at 30 September 2026School remains Good, June 2022
- Latest ungraded inspection
- School remains Good, 29 June 2022
Outcomes as Ofsted published them. Report cards (from November 2025) give no overall grade, and grades under different frameworks can’t be compared.
Results
Department for EducationIn 2024/25, 76% of pupils at St Mary's Catholic Primary School, Isleworth met the expected standard in reading, writing and maths, against 69% in Hounslow and 62% in England.
11% reached the higher standard (8% in England).
End of primary school (KS2)
2024/25| Measure | This school | Hounslow | England |
|---|---|---|---|
| Met the expected standard in reading, writing and maths | 76% | 69% | 62% |
| Reached the higher standard | 11% | 15% | 8% |
| Average scaled score in reading | 107 | 107 | 106 |
| Average scaled score in maths | 107 | 107 | 105 |
- Progress scores from KS1 to KS2 were not published for 2024/25, because the KS1 tests that give the starting point were cancelled in 2020 and 2021.
- Results reflect the pupils a school admits as well as its teaching, and a year's results can move a lot in a small school.
Schools nearby
In a straight line- The Blue School CofE PrimaryPrimary. Good (overall), November 2022. 88% met the expected standard at KS2 (2024/25)150 m
- Gumley House RC Convent School, FCJSecondary. School remains Good, April 2024. Attainment 8 of 59.9 (2025/26, provisional)220 m
- Worple Primary SchoolPrimary. School remains Good, May 2024. 73% met the expected standard at KS2 (2024/25)450 m
- Isleworth Town Primary SchoolPrimary. School remains Good, February 2023. 70% met the expected standard at KS2 (2024/25)490 m
- The Smallberry Green Primary SchoolPrimary. Good (overall), February 2023. 78% met the expected standard at KS2 (2024/25)700 m
- The Green School for BoysSecondary. Standards maintained, April 2025. Attainment 8 of 45.4 (2025/26, provisional)970 m
Admissions and catchments are set by councils and schools, which Open Index doesn’t map. Every school in Hounslow
Where these figures come from
- Schools: the school lists of the Department for Education, the Welsh Government and the Scottish Government, with Ofsted’s latest inspections for England.
- Results: the Department for Education’s school performance tables (Open Government Licence).