St Mark's Catholic School
Performance (KS4 GCSE)
Three-year trends
Last three years of DfE data. How to read trends
Ofsted judgements
Getting a place
Red dashed line = one first choice per place. How to read this
We do not have a checked cut-off distance for St Mark's Catholic School yet. Hounslow does publish allocation figures and we are working through them council by council — we only show a distance once we have found it in the council’s own document.
Application figures: DfE, school level applications and offers (2026 intake).
School profile
- Age range
- 11–18
- Pupils on roll
- 1,215
- Gender
- Mixed
- Religious character
- Roman Catholic
- Admissions
- Non-Selective
Pupil background
Special educational needs
Attendance
Staffing & funding
“Typical” = the median secondary school in England. What this means
What pupils do next
The share of this school's Year 11 leavers in education, training or employment for at least two terms afterwards.
DfE, KS4 destination measures.
Nearby secondary schools
Location
Official sources
School overview
St Mark's Catholic School is a secondary school serving Hounslow, classified by the DfE as a converter academy with a Roman Catholic religious character. It has 1,215 pupils aged 11 to 18 on roll. At its most recent graded inspection, Ofsted rated St Mark's Catholic School 'Outstanding'. The school's average Attainment 8 score in the latest GCSE results was 62.5 — well above the national average (national average: 46). Its Attainment 8 score has fallen by 2.2 points compared with the previous year. On our composite score, which combines the DfE attainment measures above, this places it among the top 6% of secondary schools in England.
72% of pupils achieved a grade 5 or above in both English and maths, well above the national average of about 45%. 86% achieved a standard pass (grade 4+) in English and maths. St Mark's Catholic School is oversubscribed: about 5 in 10 of the families who made it their first choice were offered a Year 7 place for September 2026, with 325 first choices for 176 places. After Year 11, 97% of its leavers went on to education, an apprenticeship or work that they stayed in for at least two terms. Overall pupil absence was 5.4%. There are about 18.7 pupils per teacher. Given the recent dip in results, it may be worth asking the school what is behind the change and what is being done in response. This overview is generated automatically from the latest published DfE performance tables and Ofsted data; figures are rounded, and you can check the originals via the official links above.