St Mark's Catholic School

State-Funded School

st-marks-catholic-school-hounslow-london

LondonRegion

HounslowLocal Authority

Feltham and HestonConstituency

TW3 3EJPostcode

9.9

Academic Performance

Ofsted

About the School

St Mark's Catholic School is a state-funded secondary for pupils aged 11–18, located in Hounslow, London.

The school is rated Outstanding by Ofsted. It currently serves 1,214 pupils. St Mark's Catholic School is part of The Diocese of Westminster Academy Trust.

Ofsted Rating

Safeguarding effective

Yes

Rating last maintained

2022

Subject Areas

Leadership &management

Outstanding

Quality ofeducation

Outstanding

Personaldevelopment

Outstanding

Behaviour &attitudes

Outstanding

Sixth formprovision

Outstanding

Academic Performance

Well above average

Ranked against secondary schools in England · 2024-25

Attainment 8: 62.5
Grade 5+ in English & maths: 72%
EBacc average point score: 5.98

Ethnicity

White

31%

Asian

49%

Black

Mixed

Chinese

<1%

Any other group

Unclassified

<1%

Pupils

1,214

Total Pupils

51%Boys

49%Girls

Pupil Characteristics

Free school meals

13%

England average

27%

First language not English

60%

England average

22%

Young carers

England average

0%25%50%75%100%

DfE school census, January 2026.

Key Information

Phase: Secondary
Age range: 11 – 18
Deprivation band: Average
Total pupils: 1,214
IDACI quintile: 3 (Average)
MAT name: The Diocese of Westminster Academy Trust

Inspection history

2 graded inspections published by Ofsted. Ungraded and monitoring visits are not shown.

Report published					Overall
18 Oct 2022	Outstanding	Outstanding	Outstanding	Outstanding	Outstanding
24 Feb 2009	Outstanding	Not reported in this inspection	Not reported in this inspection	Not reported in this inspection	Outstanding

A grey dot means Ofsted did not report that judgement in the inspection of the day — the sub-judgements shown here were introduced with the 2019 framework.

Ofsted data as at 31 December 2024. A school may have been inspected since, or had an ungraded visit that does not change its grade — check Ofsted’s own record.