Academy converter

St Mark's Catholic School

Mixed · ages 11–18 · with sixth form · Roman CatholicHounslow, London · Hounslow TW3 3EJTrust: The Diocese of Westminster Academy TrustSchool website
Pupils on roll
1,214of 1,213 places
Free school meals
12.1%
Year 11 cohort 2025
186
Ofsted
Outstanding, 21 September 2022Read the Ofsted report

Results below include those reported under the school’s previous registration: St Mark's Catholic School (URN 102543, until 1 April 2012).

What the data says

Of the 184 pupils who finished Year 11 at St Mark's Catholic School in 2023, 71% stayed on in St Mark's Catholic School’s own sixth form (Hounslow average 60%), 24% went to a further education college and 1% started an apprenticeship.

Among the 134 students who left the sixth form in 2023, 79% went to university (Hounslow 52%, England 37%), and 38% of level 3 students progressed to one of the most selective universities, against 19% nationally.

GCSE results in 2025 were well above the national picture: Attainment 8 of 62.5 against 46.1 across England and 49.9 in Hounslow, with 72% of pupils getting grade 5 or above in both English and maths (England 45%).

Religious Studies is unusually popular at GCSE: 100% of the year group took it, against 31% of pupils across England.

Where pupils went after Year 11

Destinations of the 2023 Year 11 leavers, measured the following year: the share in a sustained place for at least two terms. Compared with all state-funded schools in Hounslow and England.

St Mark's Catholic School
Hounslow
England
School sixth formSixth form collegeFurther education collegeOther educationApprenticeshipEmploymentNo sustained destination
MeasureSt Mark's Catholic SchoolHounslowEngland
Pupils in the cohort1843,204607,348
Any sustained destination97%93%92%
Stayed in education96%91%86%
— school sixth form71%60%34%
— sixth form college1%1%13%
— further education college24%28%37%
— other education0%2%2%
Apprenticeship1%1%3%
Employment1%1%3%
No sustained destination2%4%6%
Destination unknown1%2%3%

Where students went after sixth form

Destinations of students who finished 16–18 study in 2023, measured the following year.

St Mark's Catholic School
Hounslow
England
University (higher education)Further educationOther educationApprenticeshipEmploymentNo sustained destination
MeasureSt Mark's Catholic SchoolHounslowEngland
Students in the cohort1342,558541,441
Any sustained destination96%80%79%
University (higher education)79%52%37%
— most selective universities (top third), of level 3 students38%22%19%
Further education1%7%5%
Apprenticeship1%3%7%
Employment12%18%28%
No sustained destination4%14%16%

GCSE results 2025

MeasureSt Mark's Catholic SchoolHounslowEngland
Attainment 8 (average points per pupil)62.549.946.1
Grade 5 or above in English and maths72%53%45%
Grade 4 or above in English and maths86%70%65%
Entered the English Baccalaureate subjects89%58%41%
EBacc average point score5.984.594.09
Disadvantaged pupils in the cohort17%29%28%
Attainment 8 — disadvantaged pupils61.142.434.9
Attainment 8 — other pupils62.853.050.4
Pupils with high prior attainment (Key Stage 2)
English as an additional language73%54%19%

Progress 8 is not available for 2025 and 2026: these cohorts had no Key Stage 2 tests in 2020 and 2021, so there is no baseline. Attainment 8 shows results without taking pupils’ starting points into account.

Subjects taken at GCSE

Entries in 2025 as a share of the Year 11 cohort, and the share of entries graded 7–9 and 4–9, compared with all entries in England.

SubjectEntriesShare of cohortEnglandGrades 7–9EnglandGrades 4–9
English Language186100%89%47%20%89%
Religious Studies186100%31%55%32%88%
Mathematics186100%88%46%22%86%
English Literature186100%86%60%21%92%
Combined Science14276%65%39%9%80%
Geography11763%41%42%25%74%
Spanish8244%19%35%27%83%
French7540%18%33%29%72%
History7038%41%41%26%86%
Business Studies4524%18%38%20%82%
Chemistry4424%23%57%47%100%
Physics4424%23%55%46%100%
Biology4424%23%55%45%100%
Computer Science3619%13%39%30%69%
Polish2916%1%93%84%100%
Physical Education2011%11%5%24%50%
Music1910%5%37%33%74%
Food Preparation and Nutrition137%8%15%21%85%
Drama105%7%50%27%90%
Fine Art95%9%22%28%78%
Design and Technology84%11%13%23%75%
Italian21%0%53%
Dance11%1%27%
Arabic11%1%47%

Technical awards and other Key Stage 4 qualifications

SubjectEntriesShare of cohortEngland
Childcare Skills86%

A levels and other level 3 courses

MeasureSt Mark's Catholic SchoolHounslowEngland
Students at the end of 16–18 study282
— of whom A level students1351,648261,341
Average A level gradeB-C+B-
Average points per A level entry38.2034.0835.00
Average grade, best 3 A levelsB-C+B-
AAB or better with two facilitating subjects18%14%18%
Average grade, applied general courses
Average grade, T levels

A level subjects

Entries as a share of A level students, compared with the share across England.

SubjectEntriesShare of cohortEngland
Mathematics6246%31%
Chemistry3324%17%
Physics3224%12%
Sociology3123%13%
Biology3022%20%
English Literature2921%11%
Psychology2720%23%
Media Studies2619%4%
Business Studies1914%13%
Religious Studies1410%4%
History1410%13%
Economics1310%13%
Politics107%6%
Computer Science97%5%
Further Mathematics97%5%
Film Studies86%2%
Classical Civilisation86%1%
Product Design86%2%
Polish75%0%
Geography75%10%
Physical Education3%
Music0%
Fine Art3%
Spanish2%

Applied, technical and other level 3 courses

SubjectQualificationEntriesShare of cohortEngland
Study SkillsExtended Project (Diploma)118%

Other secondary schools in Hounslow

Bolder Academy

Free schools · sixth form · 909 pupils

92% stayed in education · Attainment 8 45.6

Chiswick School

Academy converter · sixth form · 1,618 pupils

91% stayed in education · Attainment 8 54.5

Sources: Department for Education school and college performance tables 2024/2025 (Key Stage 4 and 16–18 results, subject entries, destination measures for 2023 leavers); Get Information About Schools register as at 19 September 2026; Ofsted management information as at 31 August 2026. Small numbers are suppressed by DfE and shown as “—”. How to read these figures.