Skip to main content

GeraLearn / School Directory / Hounslow

St Mark's Catholic School

Ofsted: OutstandingSecondary school in Hounslow (TW3 3EJ). 1,215 pupils. Last OEIF inspection: September 2022.

Is St Mark's Catholic School in Hounslow rated Outstanding by Ofsted?

St Mark's Catholic School (Hounslow, TW3 3EJ) is rated Outstanding by Ofsted, with 1215 pupils, following an inspection in September 2022. It is a secondary school. Source: Ofsted management information (as at 31 May 2026, OGL v3.0). GeraLearn re-dates this monthly.

Source:Ofsted — State-funded school inspections and outcomes: management information·As of 31 May 2026 · updated monthly · last refreshed

School profile

School nameSt Mark's Catholic School
Ofsted gradeOutstanding (1/4)
Latest OEIF inspectionSeptember 2022
PhaseSecondary
School typeAcademy Converter
Local authorityHounslow
RegionLondon
PostcodeTW3 3EJ
Pupils1,215
Ofsted URN137995

Official Ofsted inspection report

The full Ofsted inspection report — including judgements on quality of education, behaviour and attitudes, personal development, and leadership — is published on the official Ofsted website.

View full Ofsted report →

GCSE and KS4 results in Hounslow

DfE school-level Key Stage 4 results are published on the Compare School Performance service and are not available as a bulk open download. For Hounslow local-authority context, the DfE Key Stage 4 tables show Progress 8 and the percentage of pupils achieving grade 4+ in English and maths across all state-funded schools in the area (2023/24 academic year).

See GCSE results for Hounslow

Ofsted school quality in Hounslow

The Gera School Quality Index for Hounslow shows what percentage of all state-funded schools in the area are rated Good or Outstanding by Ofsted, computed from the same Ofsted management information used on this page.

Other top-rated schools in Hounslow

Browse all Hounslow and England top-rated schools →

St Mark's Catholic School — FAQ

What is St Mark's Catholic School's Ofsted rating?
St Mark's Catholic School is rated Outstanding (grade 1/4) by Ofsted, based on its inspection in September 2022. Ofsted's overall-effectiveness grades are: 1 = Outstanding, 2 = Good, 3 = Requires improvement, 4 = Inadequate. This rating comes from Ofsted management information as at 31 May 2026, published under the Open Government Licence v3.0.
Where is St Mark's Catholic School located?
St Mark's Catholic School is a secondary school located in Hounslow (postcode: TW3 3EJ), in the London of England. Its Ofsted URN is 137995.
How can I see the full Ofsted inspection report for St Mark's Catholic School?
The full published Ofsted inspection report for St Mark's Catholic School is available on the official Ofsted website. GeraLearn links directly to the report — see the "View full Ofsted report" link on this page.
What are the GCSE or KS4 results for schools in Hounslow?
GeraLearn's GCSE results pages show DfE Key Stage 4 performance data for Hounslow, including Progress 8 score and percentage achieving grade 4+ in English and maths (2023/24 academic year). School-level KS4 results are available on the DfE Compare School Performance website.

Personalised tutoring for pupils at St Mark's Catholic School

GeraLearn provides AI-powered tutoring for every subject and key stage — helping pupils reach their potential whatever their school's rating.

Start a free GeraLearn session

Source: Ofsted — State-funded school inspections and outcomes: management information, as at 31 May 2026. Open Government Licence v3.0. Ofsted URN: 137995. No figure is modelled or estimated by GeraLearn.