69%
GCSE 9–4 · 2024/25
50%
GCSE 5+ · 2024/25
47.3
Attainment 8 · 2024/25
81%
EBacc entry · 2024/25
1122.5
EBacc APS · 2024/25
1,222
Pupils · 2024/25
15%
EAL · 2024/25
22%
Persistent abs. · 2024/25
Ofsted inspection
Good
Ofsted inspection · 09/11/2021
Inadequate
Requires improvement
Good
Outstanding
Local authorityHampshire
PhaseSecondary
School typeAcademy
Pupil : teacher ratio19.0:1
AdmissionsNon-selective
Religious characterNone
StatusOpen
Overview of The Costello School · Secondary · Hampshire
Part ofBOHUNT EDUCATION TRUST
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
69%
+3pp
75%69%63%
'19'22'23'24'25
'25 · 69%
GCSE 5+ incl. Eng & maths
50%
+5pp
53%48%43%
'19'22'23'24'25
'25 · 50%
Attainment 8
47.3
+1.0
50.948.445.9
'19'22'23'24'25
'25 · 47.3
EBacc entry
81%
+4pp
81%63%46%
'19'22'23'24'25
'25 · 81%
EBacc APS
1122.5
+174.9
1122.51032.2941.8
'19'22'23'24'25
'25 · 1122.5
Pupils & context
2024/25
Pupils on roll
1,222
Pupil : teacher ratio
19.0
Workforce data · 2025/26
EAL
15%
FSM eligible
17%
SEN
17%
Overall absence
9%
Persistent absence
22%
Contact
Address
Crossborough Hill, London Road, Basingstoke, RG21 4AL
Local authority
Hampshire
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 | 69% | 50% | 47.3 | Not applicable | 81% | 1122.5 | 81% | 1,222 |
| 2023/24 | 66% | 44% | 46.3 | -0.03 | 77% | 947.6 | 78% | 1,215 |
| 2022/23 | 63% | 43% | 45.9 | -0.23 | 59% | 941.8 | 60% | 1,186 |
| 2021/22 | 75% | 53% | 50.9 | -0.05 | 62% | 1056.6 | 62% | 1,173 |
| 2018/19 | 71% | 47% | 48.1 | -0.24 | 46% | 953.3 | 48% | 1,109 |
| 2017/18 | 65% | 42% | 47.3 | -0.16 | 50% | 970.5 | 51% | 1,114 |
| 2016/17 | 65% | 44% | 46.8 | -0.19 | 25% | — | 33% | 1,109 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 1,222 | 21.9 | 17% | 15% | 17% | 9% | 22% |
| 2023/24 | 1,215 | 18.5 | 14% | 14% | 17% | 9% | 25% |
| 2022/23 | 1,186 | 19.3 | 14% | 11% | 17% | 8% | 24% |
| 2021/22 | 1,173 | 18.2 | 12% | 11% | 18% | 8% | 23% |
| 2020/21 | 1,129 | 18.1 | 10% | 11% | 16% | — | — |
| 2018/19 | 1,109 | 19.7 | 9% | 9% | 16% | 4% | 9% |
| 2017/18 | 1,114 | 18.7 | 10% | 9% | 15% | 4% | 11% |
| 2016/17 | 1,109 | 18.4 | 9% | 9% | 16% | 5% | 12% |
School performance data © Crown copyright. Source: Department for Education.