100%
GCSE 9–4 · 2024/25
100%
GCSE 5+ · 2024/25
79.1
Attainment 8 · 2024/25
97%
EBacc entry · 2024/25
1416.5
EBacc APS · 2024/25
1,358
Pupils · 2024/25
16%
EAL · 2024/25
14%
Persistent abs. · 2024/25
Ofsted inspection
Outstanding
Ofsted inspection · 21/11/2023
Inadequate
Requires improvement
Good
Outstanding
Local authorityBuckinghamshire
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio19.0:1
AdmissionsSelective
Religious characterNone
StatusOpen
Overview of Dr Challoner's High School · Secondary with sixth form · Buckinghamshire
Part ofDR CHALLONER'S HIGH SCHOOL
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
100%
-1pp
100%100%100%
'19'22'23'24'25
'25 · 100%
GCSE 5+ incl. Eng & maths
100%
+0pp
100%100%99%
'19'22'23'24'25
'25 · 100%
Attainment 8
79.1
+0.9
81.279.778.2
'19'22'23'24'25
'25 · 79.1
EBacc entry
97%
-1pp
98%97%95%
'19'22'23'24'25
'25 · 97%
EBacc APS
1416.5
+36.3
1450.01316.11182.2
'19'22'23'24'25
'25 · 1416.5
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
45.7
+0.8
48.246.244.2
'19'22'23'24'25
'25 · 45.7
A-level value added
+0.02
+0.1
+0.20.0-0.1
'17'18'19'24'25
'25 · 0.0
AAB+ in facilitating subjects
41%
-2pp
50%45%41%
'19'22'23'24'25
'25 · 41%
Average A-level grade
A-
+1
AA-B+
'19'22'23'24'25
'25 · A-
Pupils & context
2024/25
Pupils on roll
1,358
Pupil : teacher ratio
19.0
Workforce data · 2025/26
EAL
16%
FSM eligible
3%
SEN
3%
Overall absence
6%
Persistent absence
14%
Contact
Address
Cokes Lane, Little Chalfont, Amersham, HP7 9QB
Local authority
Buckinghamshire
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% | 100% | 79.1 | Not applicable | 97% | 1416.5 | 97% | 1,358 |
| 2023/24 | 100% | 99% | 78.2 | +1.11 | 97% | 1380.2 | 98% | 1,315 |
| 2022/23 | 100% | 99% | 78.5 | +1.08 | 98% | 1402.0 | 99% | 1,285 |
| 2021/22 | 100% | 100% | 81.2 | +1.02 | 95% | 1450.0 | 95% | 1,288 |
| 2018/19 | 100% | 100% | 78.7 | +1.09 | 97% | 1182.2 | 98% | 1,224 |
| 2017/18 | 100% | 98% | 76.9 | +1.14 | 95% | 1170.1 | 95% | 1,181 |
| 2016/17 | 100% | 99% | 74.6 | +0.80 | 99% | — | 99% | 1,135 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 45.7 | A- | +0.02 | 41% | 210 |
| 2023/24 | 44.9 | B+ | -0.06 | 43% | 184 |
| 2022/23 | 44.9 | B+ | — | 47% | 198 |
| 2021/22 | 48.2 | A- | — | 50% | 188 |
| 2018/19 | 44.2 | B+ | +0.17 | 42% | 183 |
| 2017/18 | 43.4 | B+ | +0.09 | 38% | 145 |
| 2016/17 | 41.7 | B+ | -0.08 | 38% | 161 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 1,358 | 18.7 | 3% | 16% | 3% | 6% | 14% |
| 2023/24 | 1,315 | 20.2 | 2% | 16% | 3% | 5% | 13% |
| 2022/23 | 1,285 | 19.7 | 3% | 14% | 2% | 6% | 15% |
| 2021/22 | 1,288 | 19.5 | 2% | 14% | 2% | 7% | 19% |
| 2020/21 | 1,248 | 18.7 | 5% | 15% | 2% | — | — |
| 2018/19 | 1,224 | 20.2 | 13% | 14% | 2% | 5% | 15% |
| 2017/18 | 1,181 | 18.8 | 12% | 13% | 2% | 6% | 21% |
| 2016/17 | 1,135 | 18.5 | 12% | 13% | 3% | 5% | 12% |
School performance data © Crown copyright. Source: Department for Education.