33.9
Attainment 8 · 2024/25
0%
EBacc entry · 2024/25
103.2
EBacc APS · 2024/25
384
Pupils · 2024/25
Some headline GCSE pass rates are not published for this independent school. Attainment 8 and other metrics are shown where DfE publishes them.
Local authorityWindsor and Maidenhead
PhaseSecondary with sixth form with sixth form
School typeIndependent school
Pupil : teacher ratio—
AdmissionsNot applicable
Religious characterRoman Catholic
StatusOpen
Overview of St Mary's School Ascot · Secondary with sixth form · Windsor and Maidenhead
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
Attainment 8
33.9
-0.6
34.531.929.3
'19'22'23'24'25
'25 · 33.9
EBacc entry
0%
-2pp
2%1%0%
'19'22'23'24'25
'25 · 0%
EBacc APS
103.2
-11.7
114.897.680.3
'19'22'23'24'25
'25 · 103.2
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
47.2
-3.7
51.449.347.2
'19'22'23'24'25
'25 · 47.2
A-level value added
-0.02
-0.3
+0.2+0.10.0
'17'18'19'24'25
'25 · 0.0
AAB+ in facilitating subjects
41%
-20pp
83%62%41%
'19'22'23'24'25
'25 · 41%
Average A-level grade
A-
0
AAA
'19'22'23'24'25
'25 · A-
Pupils & context
2024/25
Pupils on roll
384
Pupil : teacher ratio
—
EAL
—
FSM eligible
0%
SEN
24%
Overall absence
—
Persistent absence
—
Contact
Address
St Mary's Road, South Ascot, Ascot, SL5 9JF
Local authority
Windsor and Maidenhead
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 | 0% | 0% | 33.9 | Not applicable | 0% | 103.2 | 97% | 384 |
| 2023/24 | 2% | 2% | 34.5 | Not published | 2% | 114.8 | 94% | 398 |
| 2022/23 | 0% | 0% | 31.8 | Not published | 0% | 80.3 | 86% | 393 |
| 2021/22 | 0% | 0% | 29.3 | Not published | 0% | 103.0 | 86% | 390 |
| 2018/19 | 0% | 0% | 33.0 | Not published | 0% | 113.1 | 97% | 386 |
| 2017/18 | 0% | 0% | 32.3 | Not published | 0% | 103.8 | 89% | 386 |
| 2016/17 | 0% | 0% | 38.6 | Not published | 0% | — | 97% | 391 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 47.2 | A- | -0.02 | 41% | 52 |
| 2023/24 | 50.9 | A | +0.25 | 61% | 63 |
| 2022/23 | 47.3 | A- | — | 41% | 55 |
| 2021/22 | 51.4 | A | — | 57% | 58 |
| 2018/19 | 51.4 | A | +0.21 | 83% | 61 |
| 2017/18 | 49.2 | A | +0.10 | 61% | 62 |
| 2016/17 | 48.8 | A | +0.03 | 64% | 63 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 384 | — | 24% | — | 0% | — | — |
| 2023/24 | 398 | — | 19% | — | — | — | — |
| 2022/23 | 393 | — | 21% | — | — | — | — |
| 2021/22 | 390 | — | 20% | 0% | — | — | — |
| 2020/21 | 394 | — | 15% | 0% | — | — | — |
| 2017/18 | 386 | — | 0% | 0% | — | — | — |
| 2016/17 | 391 | — | 1% | 0% | — | — | — |
School performance data © Crown copyright. Source: Department for Education.