54%
GCSE 9–4 · 2024/25
42%
GCSE 5+ · 2024/25
39.6
Attainment 8 · 2024/25
7%
EBacc entry · 2024/25
320.8
EBacc APS · 2024/25
679
Pupils · 2024/25
6%
EAL · 2024/25
25%
Persistent abs. · 2024/25
Ofsted inspection
Requires improvement
Ofsted inspection · 12/09/2023
Inadequate
Requires improvement
Good
Outstanding
Local authoritySuffolk
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio17.4:1
AdmissionsNon-selective
Religious characterNone
StatusOpen
Overview of Ormiston Sudbury Academy · Secondary with sixth form · Suffolk
Part ofORMISTON ACADEMIES TRUST
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
54%
-6pp
59%49%39%
'19'22'23'24'25
'25 · 54%
GCSE 5+ incl. Eng & maths
42%
+10pp
42%30%18%
'19'22'23'24'25
'25 · 42%
Attainment 8
39.6
-1.7
41.338.535.8
'19'22'23'24'25
'25 · 39.6
EBacc entry
7%
-1pp
13%7%0%
'19'22'23'24'25
'25 · 7%
EBacc APS
320.8
-87.5
436.8378.7320.5
'19'22'23'24'25
'25 · 320.8
Pupils & context
2024/25
Pupils on roll
679
Pupil : teacher ratio
17.4
Workforce data · 2025/26
EAL
6%
FSM eligible
34%
SEN
20%
Overall absence
8%
Persistent absence
25%
Contact
Address
Tudor Road, Sudbury, CO10 1NW
Local authority
Suffolk
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 | 54% | 42% | 39.6 | Not applicable | 7% | 320.8 | 7% | 679 |
| 2023/24 | 59% | 32% | 41.3 | -0.30 | 8% | 408.4 | 16% | 692 |
| 2022/23 | 39% | 19% | 35.8 | -0.62 | 11% | 436.8 | 13% | 703 |
| 2021/22 | 50% | 30% | 40.1 | -0.48 | 0% | 320.5 | 7% | 667 |
| 2018/19 | 39% | 18% | 38.0 | -0.11 | 13% | 338.5 | 16% | 689 |
| 2017/18 | 49% | 24% | 38.1 | -0.29 | 6% | 327.3 | 8% | 656 |
| 2016/17 | 53% | 25% | 39.7 | -0.15 | 5% | — | 6% | 685 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2022/23 | Suppressed | Suppressed | — | Suppressed | 3 |
| 2021/22 | Suppressed | Suppressed | — | Not eligible | 9 |
| 2018/19 | 18.5 | D | -0.53 | 8% | 41 |
| 2017/18 | 20.5 | D | -0.43 | 0% | 36 |
| 2016/17 | 22.1 | D+ | -0.23 | 0% | 69 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 679 | 17.5 | 20% | 6% | 34% | 8% | 25% |
| 2023/24 | 692 | 17.0 | 18% | 6% | 32% | 9% | 28% |
| 2022/23 | 703 | 17.4 | 23% | 6% | 34% | 11% | 31% |
| 2021/22 | 667 | 16.6 | 20% | 5% | 35% | 11% | 40% |
| 2020/21 | 669 | 15.6 | 16% | 4% | 33% | — | — |
| 2018/19 | 689 | 17.2 | 10% | 4% | 34% | 6% | 19% |
| 2017/18 | 656 | 15.2 | 10% | 4% | 34% | 6% | 17% |
| 2016/17 | 685 | 14.9 | 11% | 4% | 36% | 7% | 19% |
School performance data © Crown copyright. Source: Department for Education.