86%
GCSE 9–4 · 2024/25
72%
GCSE 5+ · 2024/25
62.5
Attainment 8 · 2024/25
89%
EBacc entry · 2024/25
1112.2
EBacc APS · 2024/25
1,215
Pupils · 2024/25
57%
EAL · 2024/25
12%
Persistent abs. · 2024/25
Ofsted inspection
Outstanding
Ofsted inspection · 21/09/2022
Inadequate
Requires improvement
Good
Outstanding
Local authorityHounslow
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio18.3:1
AdmissionsNon-selective
Religious characterRoman Catholic
StatusOpen
Overview of St Mark's Catholic School · Secondary with sixth form · Hounslow
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
86%
-7pp
92%89%85%
'19'22'23'24'25
'25 · 86%
GCSE 5+ incl. Eng & maths
72%
-6pp
78%74%71%
'19'22'23'24'25
'25 · 72%
Attainment 8
62.5
-2.2
64.763.161.5
'19'22'23'24'25
'25 · 62.5
EBacc entry
89%
+5pp
95%89%82%
'19'22'23'24'25
'25 · 89%
EBacc APS
1112.2
-7.9
1120.11068.51017.0
'19'22'23'24'25
'25 · 1112.2
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
38.2
-1.5
41.039.137.3
'19'22'23'24'25
'25 · 38.2
A-level value added
-0.20
-0.3
+0.20.0-0.2
'17'18'19'24'25
'25 · -0.2
AAB+ in facilitating subjects
18%
-4pp
22%18%14%
'19'22'23'24'25
'25 · 18%
Average A-level grade
B-
0
BBB-
'19'22'23'24'25
'25 · B-
Pupils & context
2024/25
Pupils on roll
1,215
Pupil : teacher ratio
18.3
Workforce data · 2025/26
EAL
57%
FSM eligible
14%
SEN
13%
Overall absence
5%
Persistent absence
12%
Contact
Address
106 Bath Road, Hounslow, TW3 3EJ
Local authority
Hounslow
Telephone
Email
—
History
All years · Historical DfE data by academic year
Secondary — Key Stage 4
GCSE attainment and Progress 8 — how pupils progressed from KS2 to KS4.
| Year | GCSE 9–4 | GCSE 5+ | Attainment 8 | Progress 8 | EBacc entry | EBacc APS | EBacc lang entry | Cohort |
|---|---|---|---|---|---|---|---|---|
| 2024/25 | 86% | 72% | 62.5 | Not applicable | 89% | 1112.2 | 89% | 1,215 |
| 2023/24 | 92% | 78% | 64.7 | +1.35 | 84% | 1120.1 | 84% | 1,216 |
| 2022/23 | 85% | 76% | 62.3 | +1.30 | 89% | 1074.6 | 89% | 1,206 |
| 2021/22 | 90% | 77% | 63.1 | +1.16 | 82% | 1076.0 | 82% | 1,207 |
| 2018/19 | 86% | 71% | 61.5 | +1.10 | 95% | 1017.0 | 95% | 1,213 |
| 2017/18 | 90% | 73% | 62.1 | +1.15 | 91% | 1053.6 | 93% | 1,191 |
| 2016/17 | 90% | 66% | 59.4 | +0.88 | 87% | — | 88% | 1,171 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 38.2 | B- | -0.20 | 18% | 139 |
| 2023/24 | 39.7 | B | +0.07 | 22% | 139 |
| 2022/23 | 37.9 | B- | — | 14% | 138 |
| 2021/22 | 41.0 | B | — | 21% | 138 |
| 2018/19 | 37.3 | B- | +0.07 | 16% | 167 |
| 2017/18 | 35.8 | B- | -0.08 | 16% | 132 |
| 2016/17 | 37.6 | B- | +0.18 | 23% | 141 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 1,215 | 19.1 | 13% | 57% | 14% | 5% | 12% |
| 2023/24 | 1,216 | 18.1 | 10% | 62% | 14% | 5% | 12% |
| 2022/23 | 1,206 | 17.9 | 9% | 67% | 14% | 6% | 12% |
| 2021/22 | 1,207 | 18.6 | 11% | 65% | 13% | 6% | 14% |
| 2020/21 | 1,216 | 19.4 | 10% | 66% | 11% | — | — |
| 2018/19 | 1,213 | 18.2 | 11% | 59% | 12% | 4% | 6% |
| 2017/18 | 1,191 | 17.3 | 10% | 53% | 12% | 4% | 6% |
| 2016/17 | 1,171 | 16.8 | 10% | 50% | 11% | 4% | 8% |
School performance data © Crown copyright. Source: Department for Education.