St Mary's Catholic Primary School, Isleworth

Primary
Local authority maintained
Ages 3 to 11

Ofsted: Good

South Street, Isleworth, TW7 7EEOpen in maps (opens in a new tab)

St Mary's Catholic Primary School, Isleworth is a primary school in Hounslow for ages 3 to 11. It is one of the 88 schools in Hounslow. It ranks 18th of 44 primary schools in Hounslow. Its latest Ofsted rating is Good, from an inspection in April 2012.

Ofsted inspection

Inspected 24 April 2012, report published 17 May 2012

Overall effectiveness: Good
Leadership and management: Good

Read the full Ofsted report (opens in a new tab)

Exam results

SATs results (key stage 2), 2024/25

55 pupils took the tests

Expected standard in reading, writing and maths76%

76%, 14 percentage points above the England average of 62%.

Higher standard in reading, writing and maths11%

11%, 3 percentage points above the England average of 8%.

Reading, average scaled score107

107, 1 above the England average of 106.

Maths, average scaled score107

107, 2 above the England average of 105.

Grammar, punctuation and spelling, average scaled score108

108, 3 above the England average of 105.

Pupil numbers and mix

399 pupils on roll, with places for 420

Eligible for free school meals12.5%

12.5%, 14 percentage points below the England average of 26.5%.

English as an additional language29.8%

29.8%, 8.2 percentage points above the England average of 21.6%.

Special educational needs support10%

10%, 4.8 percentage points below the England average of 14.8%.

Education, health and care plan1%

1%, 5 percentage points below the England average of 6%.

Schools near St Mary's Catholic Primary School, Isleworth

School	Distance	Ofsted	Results
The Blue School CofE Primary	0.1 miles	Ofsted: Good	88% met the expected standard
Worple Primary School	0.3 miles	Ofsted: Good	73% met the expected standard
Isleworth Town Primary School	0.3 miles	Ofsted: Good	70% met the expected standard
The Smallberry Green Primary School	0.4 miles	Ofsted: Good	78% met the expected standard
Marlborough Primary School	0.7 miles	Ofsted: Good	78% met the expected standard

School details

School type: Voluntary aided school
Sector: Local authority maintained
Age range: 3 to 11
Gender: Mixed
Religious character: Roman Catholic
Nursery classes: Yes
Headteacher: Mr F Marsh
Phone: 02085607166
Website: smi.hounslow.sch.uk (opens in a new tab)
Address: South Street, Isleworth, TW7 7EE
Local authority: Hounslow
URN: 102528

School details from Get Information about Schools, 17 September 2026. Ofsted outcomes published to 31 August 2026. Exam results for 2024/25 from the Department for Education. Pupil mix from the school census, 2025/26.