St Mary's Catholic Primary School, Isleworth
94%
Capacity
393
Pupils
2.5x
Demand
About St Mary's Catholic Primary School, Isleworth
St Mary's Catholic Primary School, Isleworth is a state-funded Roman Catholic primary school serving the Hounslow community, welcoming children from age 3 to 11. The school has 393 pupils on roll and is well-filled (94% of 420 places). Nursery provision is also available on site.
Ofsted has rated St Mary's Catholic Primary School, Isleworth "Good", the school is led by headteacher F Marsh, it falls under Hounslow local authority.
In terms of academic performance, 86% of pupils met the expected standard in Reading, Writing and Maths at KS2 — well above the national average. Additionally, placing it in the top 5% of schools nationally. Additionally, ranked 608th out of 13,686 schools in England. Additionally, 4th out of 44 in Hounslow.
St Mary's Catholic Primary School, Isleworth is a popular choice with families — it received 141 applications for 56 places, making it 2.5x oversubscribed. Of these, 46 were first-preference applications.
St Mary's Catholic Primary School, Isleworth has mixed reviews on SchoolParrot (1.8/5 from 36 parents).
For children with special educational needs, the school offers support across 6 areas, including Specific Learning Difficulty (Dyslexia), Moderate Learning Difficulty, Social, Emotional & Mental Health and 3 more. Parents should contact the school's SENCO for specific details about provision.
On-site facilities at St Mary's Catholic Primary School, Isleworth include Sensory Room, Forest School, Library, Gymnasium, Playing Fields, ICT Suite, Chapel.
Beyond the classroom, pupils can take part in sports such as Football, Cricket, Cross Country, Athletics and 3 more, as well as clubs including Coding, Gardening, Choir, Science Club and 2 more.
The proportion of pupils eligible for free school meals is 10.9%, which is well below the national average for primary schools in England.
For families exploring primary schools in Hounslow, St Mary's Catholic Primary School, Isleworth is one of the options available in the London region. Use Classpot to compare it side-by-side with nearby alternatives and find the best fit for your child.
Key Details
| School Type | Primary (State) |
| Age Range | 3 to 11 years |
| Gender | Mixed |
| Religious Character | Roman Catholic |
| Address | South Street, Isleworth, Hounslow, TW7 7EE |
| Headteacher | F Marsh |
| Local Authority | Hounslow |
| Number of Pupils | 393 |
| Free School Meals (FSM) | 10.9% |
| School Capacity | 393 / 420 (94% full) |
| Nursery Classes | Yes |
Ofsted Inspection Breakdown
29 Jun 2022Overall Effectiveness
Good
Latest inspection (29 Jun 2022): School remains Good
Source: Ofsted, 17 May 2012. Ratings: 1=Outstanding, 2=Good, 3=Requires Improvement, 4=Inadequate.
League Table Position
Based on KS2 Reading, Writing & Maths (86%)
608th of 13,686
Nationally
138th of 1,592
In London
4th of 44
In Hounslow
Source: Classpot analysis of DfE KS2 Reading, Writing & Maths data
KS2 SATs Results
2023/24Reading, Writing & Maths Combined
86%
Expected Standard
7%
Higher Standard
'22/23
65%
'23/24
86%
Source: Department for Education, 2023/24. National expected standard benchmark is around 65%.
SEND Support
Source: Department for Education, 2024/25. Support availability based on current student population.
Facilities
7Facilities may vary. Contact the school for current availability.
Extracurriculars
13Sports
Clubs & Activities
Activities may vary by term. Contact the school for current offerings.
Admissions
2025/26Oversubscribed56
141
Good Demand
Popular school with more applications than places
46 families put this school as their 1st choice (33% of all applications)
Source: Department for Education, 2025/26. Data reflects national offer day applications and offers.
Frequently Asked Questions About St Mary's Catholic Primary School, Isleworth
Helpful Guides for Parents
Ofsted Ratings Explained
Understand the 4 Ofsted ratings and what they mean
How to Choose a Primary School
Step-by-step guide to choosing the right primary school
KS2 SATs Explained
A parent's guide to Year 6 SATs and how results are reported
SEN & EHCP: A Parent's Guide
Understanding SEN support, EHC Plans and your legal rights
Contact Information
South Street, Isleworth
Hounslow, TW7 7EE
Journey to School
Journey times are estimates based on current conditions. Actual times may vary.
Reviews on Other Platforms
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