ofsted.london
Individual School Profile
Advertisement · 728 × 90
GoodMixedLast inspected 24/04/2012

St Mary's Catholic Primary School, Isleworth

Primary · Voluntary aided school · Hounslow · TW7 7EE
Pupils
393
Capacity
420
FSM %
10.9%
EAL %
42%
KS2 R+W+M
76%
About this school

St Mary's Catholic Primary School, Isleworth is a voluntary aided school mixed primary school located in Hounslow, London (TW7 7EE). The school has a Roman Catholic religious character. It has 393 pupils and a capacity of 420.

In its most recent Ofsted inspection in Invalid Date, St Mary's Catholic Primary School, Isleworth was rated Good — a school that meets the high standards set by Ofsted and provides a sound education. The full inspection report is available on the Ofsted website.

At Key Stage 2, 76% of pupils at St Mary's Catholic Primary School, Isleworth met the expected standard in Reading, Writing and Maths combined — well above the national average of approximately 65%. 11% achieved the higher standard. The three-year rolling average is 76%, which gives a more stable picture of the school's typical performance.

The school serves a diverse community: a proportion of pupils (10.9%) are eligible for Free School Meals, a measure of socioeconomic deprivation, and 42% speak English as an additional language. Hounslow is a London borough with a varied demographic profile.

Section 01

KS2 Attainment — End of Primary School

Key Stage 2 tests are taken by pupils aged 10–11. The headline figure shows the percentage meeting the expected standard in Reading, Writing and Maths combined.

Reading, Writing & Maths (expected standard)76%
National average ~65%3-year average: 76%
Higher Standard
11%
Reading
82%
Maths
91%
Writing
85%
Grammar & Punctuation
87%
English as Additional Language
42%
Reading, Writing & Maths by Gender
Boys
76%
Girls
77%
Gender gap: 1.0 percentage points — girls ahead
Disadvantaged Pupil Gap

Shows the difference in attainment between pupils who have claimed Free School Meals and their peers. A smaller gap means the school is doing more to close inequality.

Disadvantaged (FSM)
88%
Non-disadvantaged
74%
Gap
19pp
Section 03

School Information

BoroughHounslow
PhasePrimary
TypeVoluntary aided school
Religious characterRoman Catholic
AddressSouth Street, Isleworth, TW7 7EE
Telephone2085607166
URN102528
Area House Prices — Hounslow · 2024
Median price
£430k
Average price
£490k
Annual change
+1.8%
Borough-level median. Source: Land Registry UK HPI. Use as a guide only — street-level prices vary significantly.
Section 04

External Links

Ofsted ratings updated monthly — if this school was recently inspected, run download_ofsted.py or check reports.ofsted.gov.uk directly.
KS2 data from the 2023-24 academic year, published September 2024.
House prices & rental are borough-level 2024 estimates. About our data →
Save & Compare
Share
Share this school
📚 St Mary's Catholic Primary School, Isleworth (Hounslow) Ofsted: Good · KS2 76% · FSM 10.9% Full data, KS2 scores & commute planner → https://www.ofsted.london/school/st-mary-s-catholic-primary-school-isleworth-hounslow
Share with your parent WhatsApp group, on Mumsnet, or in local Facebook groups. Every share helps other parents find better school data.
Tool

Commute Planner

🏠
🏫
St Mary's Catholic Primary School, Isleworth (TW7 7EE)
💼
Enter home and work addresses above to plan your commute
Ad · 300 × 250
Explore

Other Primary Schools in Hounslow

View all Hounslow schools →
Advertisement · 728 × 90
St Mary's Catholic Primary School, Isleworth Ofsted Rating | Inspection Report & Results (2026) | ofsted.london