St Mary's Catholic Primary School, Isleworth, Isleworth
Data last updated 11 Sept 2026
Location
Estimated admission likelihood based on school density and oversubscription data
Key Information
DfE GIASOfsted Rating
Ofsted · 4 years agoOverall
Ofsted Insights
What This School Does Well
St Mary's is a welcoming school where pupils are confident, polite and eager learners. The school has strong leadership that carefully monitors teaching quality and supports pupils to make good progress. Parents report their children feel safe and well looked after, and the school handles bullying effectively.
Key Strengths
- Children in early years achieve above national average levels of development
- Pupils' attainment in reading, writing and mathematics is above the national average at key stage 1 and 2
- Leadership team is reflective and has improved the quality of teaching over time
- Pupils are confident, articulate and well-behaved learners who love coming to school
- New mathematics programme has improved progress and pupil confidence in problem-solving
Areas for Improvement
- Middle-attaining pupils at key stage 1 need more challenge to develop their writing skills across different subjects
- Attendance of disadvantaged pupils and those with special educational needs remains below the national average
- Progress in 'greater depth' standard for both boys and girls in key stage 1 is below national average
Safeguarding
Safeguarding is effective with detailed records, clear staff procedures including contact details in diaries, regular updates on safeguarding matters, and a strong culture of 'seeing the child'.
Extracurricular Activities
Anti-bullying week activities
St Mary's Catholic Primary School continues to be judged as good. The school has maintained good quality education with strong leadership, and pupils make good progress across most areas.
At a Glance
13.1%
Free School Meals
No
Boarding
Yes
Nursery
No
Sixth Form
No
Special Measures
Primary Performance (KS2)
Academic year 2025/26KS2 Results (% meeting expected standard)
Reading has declined from 88% to 82%. Maths has declined from 95% to 91%. Writing has declined from 90% to 85%.
Class Sizes
26.2
Avg class size
24.0
Infant (KS1)
27.9
KS2
15
Total classes
2024/25 academic year
Getting There
Train Stations
Bus Stops
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Capacity & Demand
School Occupancy
95%
Near capacity
399 pupils
420 capacity
21 spare places available
Area Demand Pressure - Isleworth
Based on MHCLG housing supply data for Isleworth
Admissions Demand - Hounslow
Places available
3,226
Applications
3,027
Got 1st preference
88.1%
Got preferred school
98.2%
Primary admissions across Hounslow (2025/26)
Inspection History(6)
House Prices
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SEN Provision
How many pupils have special educational needs, what types of support the school provides, and how it compares to similar schools.
Pupil Demographics
The school's pupil mix - ethnicity breakdown, free school meals eligibility, and English as an additional language. Useful context when evaluating school fit.
Teachers & Staff
Teacher qualification rates, pupil-to-teacher ratio, staff turnover, and salary data. Shows how well-resourced and stable the school's workforce is.
School Funding
Annual funding per pupil, total budget, pupil premium grants, and how the school's resources compare to similar schools nationally.
Pupil Absence2024/25
4.94322%
Overall absence
12.64706%
Persistent absence
340
Enrolments
Absence trend
Source: DfE pupil absence statistics. Persistent absence = pupils missing 10%+ sessions.
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Secondary Schools Nearby
Secondary schools pupils are likely to move to
St Mary's Catholic Primary School, Isleworth
Nearby Schools
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