71%
GCSE 9–4 · 2024/25
52%
GCSE 5+ · 2024/25
49.3
Attainment 8 · 2024/25
71%
EBacc entry · 2024/25
782.5
EBacc APS · 2024/25
855
Pupils · 2024/25
2%
EAL · 2024/25
18%
Persistent abs. · 2024/25
Ofsted inspection
Good
Ofsted inspection · 20/01/2022
Inadequate
Requires improvement
Good
Outstanding
Local authorityEast Sussex
PhaseSecondary
School typeMaintained school
Pupil : teacher ratio16.9:1
AdmissionsNon-selective
Religious characterDoes not apply
StatusOpen
Overview of Chailey School · Secondary · East Sussex
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
71%
-9pp
80%74%68%
'19'22'23'24'25
'25 · 71%
GCSE 5+ incl. Eng & maths
52%
-13pp
65%56%46%
'19'22'23'24'25
'25 · 52%
Attainment 8
49.3
-4.1
53.450.547.7
'19'22'23'24'25
'25 · 49.3
EBacc entry
71%
-2pp
77%62%46%
'19'22'23'24'25
'25 · 71%
EBacc APS
782.5
+5.6
782.5722.8663.1
'19'22'23'24'25
'25 · 782.5
Pupils & context
2024/25
Pupils on roll
855
Pupil : teacher ratio
16.9
Workforce data · 2025/26
EAL
2%
FSM eligible
13%
SEN
16%
Overall absence
7%
Persistent absence
18%
Contact
Address
Mill Lane, South Chailey, Lewes, BN8 4PU
Local authority
East Sussex
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 | 71% | 52% | 49.3 | Not applicable | 71% | 782.5 | 82% | 855 |
| 2023/24 | 80% | 65% | 53.4 | +0.36 | 73% | 776.9 | 84% | 840 |
| 2022/23 | 70% | 46% | 47.7 | -0.08 | 77% | 671.8 | 81% | 827 |
| 2021/22 | 73% | 53% | 51.7 | +0.01 | 77% | 671.3 | 85% | 788 |
| 2018/19 | 68% | 53% | 49.2 | +0.04 | 46% | 663.1 | 82% | 756 |
| 2017/18 | 64% | 44% | 52.9 | +0.56 | 70% | 642.8 | 86% | 731 |
| 2016/17 | 75% | 52% | 50.8 | +0.18 | 80% | — | 91% | 728 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 855 | 16.9 | 16% | 2% | 13% | 7% | 18% |
| 2023/24 | 840 | 16.5 | 13% | 2% | 11% | 8% | 22% |
| 2022/23 | 827 | 17.2 | 12% | 2% | 10% | 8% | 21% |
| 2021/22 | 788 | 16.5 | 12% | 1% | 10% | 7% | 19% |
| 2020/21 | 787 | 17.3 | 11% | 1% | 11% | — | — |
| 2018/19 | 756 | 18.8 | 10% | 1% | 12% | 5% | 13% |
| 2017/18 | 731 | 17.5 | 14% | 2% | 14% | 5% | 13% |
| 2016/17 | 728 | 16.3 | 13% | 2% | 16% | 5% | 12% |
School performance data © Crown copyright. Source: Department for Education.