100%
GCSE 9–4 · 2024/25
82%
GCSE 5+ · 2024/25
66.5
Attainment 8 · 2024/25
69%
EBacc entry · 2024/25
319.3
EBacc APS · 2024/25
419
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 authorityEssex
PhaseAll-through with sixth form
School typeIndependent school
Pupil : teacher ratio—
AdmissionsNon-selective
Religious characterNone
StatusOpen
Overview of St Mary's School for Girls · All-through · Essex
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
100%
+6pp
100%96%91%
'19'22'23'24'25
'25 · 100%
GCSE 5+ incl. Eng & maths
82%
+6pp
85%75%65%
'19'22'23'24'25
'25 · 82%
Attainment 8
66.5
+7.4
66.562.057.4
'19'22'23'24'25
'25 · 66.5
EBacc entry
69%
+3pp
69%65%62%
'19'22'23'24'25
'25 · 69%
EBacc APS
319.3
+33.8
319.3288.6258.0
'19'22'23'24'25
'25 · 319.3
Pupils & context
2024/25
Pupils on roll
419
Pupil : teacher ratio
—
EAL
—
FSM eligible
0%
SEN
25%
Overall absence
—
Persistent absence
—
Contact
Address
91 Lexden Road, Colchester, CO3 3RB
Local authority
Essex
Website
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 | 100% | 82% | 66.5 | Not applicable | 69% | 319.3 | 86% | 419 |
| 2023/24 | 94% | 76% | 59.1 | Not published | 66% | 285.5 | 88% | 416 |
| 2022/23 | 92% | 77% | 58.1 | Not published | 62% | 286.5 | 83% | 408 |
| 2021/22 | 94% | 85% | 62.0 | Not published | 65% | 286.8 | 94% | 411 |
| 2018/19 | 91% | 65% | 57.4 | Not published | 67% | 258.0 | 76% | 386 |
| 2017/18 | 88% | 64% | 60.4 | Not published | 68% | 314.9 | 84% | 402 |
| 2016/17 | 90% | 56% | 57.7 | Not published | 51% | — | 90% | 391 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 419 | — | 25% | — | 0% | — | — |
| 2023/24 | 416 | — | 9% | — | — | — | — |
| 2022/23 | 408 | — | 19% | — | — | — | — |
| 2021/22 | 411 | — | 16% | 0% | — | — | — |
| 2020/21 | 402 | — | 14% | 0% | — | — | — |
| 2018/19 | 386 | — | 13% | — | — | — | — |
| 2017/18 | 402 | — | 0% | 0% | — | — | — |
| 2016/17 | 391 | — | 0% | 0% | — | — | — |
School performance data © Crown copyright. Source: Department for Education.