# St Mary's Catholic Primary School, Isleworth

St 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.

Primary school. Code E102528. [Hounslow](https://openindex.co.uk/hounslow)

- Phase: Primary
- Type: Voluntary aided school
- Ages: 3 to 11
- Pupils: 399
- Council: Hounslow
- URN: 102528

## Latest Ofsted outcome

School remains Good, June 2022
- Latest ungraded inspection: School remains Good, 29 June 2022
Edition: Latest inspections as at 30 September 2026
Outcomes as Ofsted published them. Report cards (from November 2025) give no overall grade, and grades under different frameworks cannot be compared.

## Results

Source: Department for Education school performance tables (Open Government Licence).

In 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

Distances are in a straight line. Admissions and catchments are set by councils and schools.

- [The Blue School CofE Primary](https://openindex.co.uk/school/the-blue-school-cofe-primary-e102523): 150 m. Primary. Good (overall), November 2022. 88% met the expected standard at KS2 (2024/25)
- [Gumley House RC Convent School, FCJ](https://openindex.co.uk/school/gumley-house-rc-convent-school-fcj-e137928): 220 m. Secondary. School remains Good, April 2024. Attainment 8 of 59.9 (2025/26, provisional)
- [Worple Primary School](https://openindex.co.uk/school/worple-primary-school-e102506): 450 m. Primary. School remains Good, May 2024. 73% met the expected standard at KS2 (2024/25)
- [Isleworth Town Primary School](https://openindex.co.uk/school/isleworth-town-primary-school-e102492): 490 m. Primary. School remains Good, February 2023. 70% met the expected standard at KS2 (2024/25)
- [The Smallberry Green Primary School](https://openindex.co.uk/school/the-smallberry-green-primary-school-e102515): 700 m. Primary. Good (overall), February 2023. 78% met the expected standard at KS2 (2024/25)
- [The Green School for Boys](https://openindex.co.uk/school/the-green-school-for-boys-e144515): 970 m. Secondary. Standards maintained, April 2025. Attainment 8 of 45.4 (2025/26, provisional)

## Sources and further information

- [Schools: methods, licences and inspection sources](https://openindex.co.uk/sources/schools)
- [Get Information about Schools](https://get-information-schools.service.gov.uk/Establishments/Establishment/Details/102528)
- [Ofsted reports](https://reports.ofsted.gov.uk/provider/21/102528)

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/school/st-marys-catholic-primary-school-isleworth-e102528, or to one figure with its anchor, https://openindex.co.uk/school/st-marys-catholic-primary-school-isleworth-e102528#sc-results.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/school/st-marys-catholic-primary-school-isleworth-e102528