SCHOOL PROFILE

St Mark's Catholic School

Secondary Academy converter URN 137995
Open
Pupils 8,834,192 Latest school census
Capacity 1,213 Published school capacity
Capacity used 100.1% Pupils as a share of capacity
Age range 11 – 18 Statutory age range
OFSTED

Latest graded inspection

21 September 2022
Latest published outcome Outstanding
OEIF
Quality of education Outstanding
Behaviour & attitudes Outstanding
Personal development Outstanding
Leadership & management Outstanding
SCHOOL DETAILS

About this school

School type Academy converter
Phase Secondary
Gender Mixed
Religious character Roman Catholic
Local authority Hounslow
Trust THE DIOCESE OF WESTMINSTER ACADEMY TRUST
Census date 15 January 2026
PUPIL PROFILE

School community

Latest published pupil characteristics for 2025/26.

2025/26
Total pupils 1,214 1,214 full-time · 0 part-time
Female pupils 590 48.6% of pupils
Male pupils 624 51.4% of pupils

Free school meals

Pupils eligible for free school meals.

12.5%
12.3 pts below England
School 12.5%
Hounslow 23.0%
London 26.3%
England 24.8%

English as an additional language

Pupils whose first language is not English.

60.2%
39.9 pts above England
School 60.2%
Hounslow 53.9%
London 39.2%
England 20.3%

Young carers

Pupils recorded as young carers.

0.0%
1.0 pts below England
School 0.0%
Hounslow 0.6%
London 0.5%
England 1.0%

Ethnicity

Largest recorded pupil groups.

Indian
44.6%
541
Any other White background
18.0%
219
White British
10.8%
131
Any other ethnic group
6.5%
79
African
4.8%
58
White and Asian
3.4%
41
Council, regional and national comparisons are pupil-weighted using published school census counts.
ADDITIONAL NEEDS

Special educational needs

Pupils receiving SEN support or with an education, health and care plan.

2025/26
Pupils with SEN 13.4% 163 of 1,214 pupils
7.4 pts below England England: 20.8%
School 13.4%
Hounslow 20.3%
London 19.8%
England 20.8%
SEN support 10.5% 127 pupils
England 14.8% 4.3 pts below
EHC plans 3.0% 36 pupils
England 6.0% 3.1 pts below
PRIMARY NEEDS

Most common identified needs

Pupils
Other difficulty or disability 51
Speech, language & communication 36
Social, emotional & mental health 27
Autistic spectrum disorder 24
Specific learning difficulty 7
No specialist assessment yet 6

SEN comparisons are pupil-weighted using published 2025/26 Department for Education school-level data. Primary needs combine pupils receiving SEN support and pupils with EHC plans.

ACADEMIC PERFORMANCE

Key stage 4 outcomes

Published Department for Education results for 2024/25.

2024/25
ATTAINMENT 8

Average attainment score

62.5 23.3 pts above England
School 62.5
Hounslow 45.9
London 42.1
England 39.2
English & maths grade 5+ 72.0% England 36.0% 36.0 pts above England
English & maths grade 4+ 85.5% England 51.4% 34.1 pts above England
EBacc entry 89.2% England 30.6% 58.6 pts above England
EBacc average point score 5.98 England 3.41
Progress 8 Not available for 2024/25

Latest published: 1.35 · 2023/24

Comparisons are averages of published school-level results for open schools. They are not pupil-weighted official local authority attainment rates.

ATTENDANCE & ABSENCE

Attendance profile

Published Department for Education absence data for 2024/25. Lower absence rates are generally better.

2024/25
ABSENCE RATE

Overall absence

5.34%

Percentage of possible sessions missed.

0.87 pts lower than England
School 5.34%
Hounslow 6.47%
London 6.38%
England 6.22%
ABSENCE RATE

Persistent absence

12.23%

Pupils missing 10% or more of sessions.

3.58 pts lower than England
School 12.23%
Hounslow 17.78%
London 17.60%
England 15.82%
ABSENCE RATE

Severe absence

0.64%

Pupils missing 50% or more of sessions.

1.17 pts lower than England
School 0.64%
Hounslow 1.39%
London 1.67%
England 1.80%
Council, regional and national comparisons are averages of published school-level percentages rather than pupil-weighted official absence rates.
HOW DOES IT COMPARE?

School context

Comparison with open secondary schools.

CAPACITY

Capacity utilisation

100.1% 7.8 pts above England
St Mark's Catholic School
100.1%
Hounslow
91.4%
London
91.3%
England
92.3%
Benchmarks use open schools in the same phase. Capacity utilisation is calculated from published pupil and capacity figures.
Sources: Department for Education · Get Information about Schools · Ofsted monthly management information