OFSTED
6 November 2024
Latest ungraded inspection
Latest published outcome
Outstanding
OEIF
Quality of education
Outstanding
Behaviour & attitudes
Outstanding
Personal development
Outstanding
Leadership & management
Outstanding
INSPECTION HISTORY
Previous Ofsted activity
5 November 2019
Graded inspection
Outstanding
Published
28 February 2020
SCHOOL DETAILS
About this school
School type
Academy converter
Phase
Secondary
Gender
Boys
Religious character
—
Local authority
Buckinghamshire
Trust
DR CHALLONER'S GRAMMAR SCHOOL
Census date
15 January 2026
PUPIL PROFILE
2025/26
School community
Latest published pupil characteristics for 2025/26.
Total pupils
1,384
1,384 full-time ·
0 part-time
Female pupils
98
7.1% of pupils
Male pupils
1,286
92.9% of pupils
Free school meals
Pupils eligible for free school meals.
22.3 pts
below England
School
2.5%
Buckinghamshire
14.9%
South East
19.0%
England
24.8%
English as an additional language
Pupils whose first language is not English.
2.2 pts
below England
School
18.1%
Buckinghamshire
18.4%
South East
15.6%
England
20.3%
Young carers
Pupils recorded as young carers.
1.0 pts
above England
School
2.0%
Buckinghamshire
2.0%
South East
1.7%
England
1.0%
Ethnicity
Largest recorded pupil groups.
White British
46.2%
640
Indian
25.9%
358
White and Asian
5.6%
78
Any other Asian background
5.5%
76
Any other Mixed background
4.4%
61
Any other White background
4.3%
59
Council, regional and national comparisons
are pupil-weighted using published school
census counts.
ADDITIONAL NEEDS
2025/26
Special educational needs
Pupils receiving SEN support or with an education, health and care plan.
Pupils with SEN
4.1%
57 of
1,384 pupils
16.7 pts
below England
England:
20.8%
England
14.8%
11.8 pts
below
England
6.0%
5.0 pts
below
PRIMARY NEEDS
Pupils
Most common identified needs
SEN comparisons are pupil-weighted using published 2025/26 Department for Education school-level data. Primary needs combine pupils receiving SEN support and pupils with EHC plans.
ACADEMIC PERFORMANCE
2024/25
Key stage 4 outcomes
Published Department for Education results for 2024/25.
ATTAINMENT 8
Average attainment score
73.9
34.7 pts
above England
Latest published: 1.18 · 2023/24
Comparisons are averages of published school-level results for open schools. They are not pupil-weighted official local authority attainment rates.
ATTENDANCE & ABSENCE
2024/25
Attendance profile
Published Department for Education absence data for 2024/25. Lower absence rates are generally better.
ABSENCE RATE
5.17%
Overall absence
Percentage of possible sessions missed.
1.04 pts
lower than
England
School
5.17%
Buckinghamshire
5.98%
South East
6.30%
England
6.22%
ABSENCE RATE
14.19%
Persistent absence
Pupils missing 10% or more of sessions.
1.62 pts
lower than
England
School
14.19%
Buckinghamshire
14.74%
South East
15.75%
England
15.82%
ABSENCE RATE
0.11%
Severe absence
Pupils missing 50% or more of sessions.
1.69 pts
lower than
England
School
0.11%
Buckinghamshire
1.60%
South East
1.93%
England
1.80%
Council, regional and national
comparisons are averages of published
school-level percentages rather than
pupil-weighted official absence rates.
HOW DOES IT COMPARE?
School context
Comparison with open secondary schools.
CAPACITY
Capacity utilisation
102.1%
9.7 pts
above England
Dr Challoner's Grammar School
102.1%
Buckinghamshire
99.5%
South East
95.0%
England
92.3%
Benchmarks use open schools in the
same phase. Capacity utilisation is
calculated from published pupil and
capacity figures.