Dr Challoner's Grammar School

Academy converter; selective (grammar), sixth form; boys; ages 11 to 18; 1,384 pupils; Buckinghamshire, HP6 5HA; URN 136419

Dr Challoner's Grammar School’s latest inspection, on 6 November 2024, was an ungraded inspection: Standards maintained. Of the eight state secondary schools nearest to it, three have a report card, one has key judgements without an overall grade, three have an overall grade on the old scale and one has an ungraded inspection. The oldest verdict, at Sir William Ramsay School, dates from 14 June 2022; the latest, at The Misbourne School, from 28 April 2026.

Each mark is one of the schools below, at the date of its latest inspection: report card key judgements only overall grade, old scale ungraded inspection. Behind them, the ruler Ofsted used on that date: pale, an overall grade on the old four-point scale (until 31 August 2024); mid blue, key judgements without an overall grade (from 1 September 2024); deep blue, report cards (from 10 November 2025).

Dr Challoner's Grammar School and the eight state secondary schools nearest to it

From Dr Challoner's Grammar School’s position in the register of schools, in a straight line, among the open state schools in England that teach pupils of secondary age or students aged 16 and over (special schools and further education colleges are not included). Each mark sits at the exact date of the school’s latest inspection in Ofsted’s data as at 30 September 2026.

here
Dr Challoner's Grammar School
HP6 5HA, Buckinghamshire; selective (grammar), sixth form

Standards maintained ungraded inspection, 6 November 2024

GCSE 2025/26, provisional: Attainment 8 76.2 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 98.9% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade A-, 47.41 points per entry (England B-, 35.00)
Ofsted report for Dr Challoner's Grammar School
0.91 mi1,463 m SE
Amersham School
HP7 9HH, Buckinghamshire; sixth form

Report card inspected 2 December 2025; safeguarding met
GCSE 2025/26, provisional: Attainment 8 52.4 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 66.1% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade B-, 35.33 points per entry (England B-, 35.00)
The report card, area by area
- Inclusion: expected standard
- Curriculum and teaching: expected standard
- Achievement: expected standard
- Attendance and behaviour: expected standard
- Personal development and wellbeing: expected standard
- Leadership and governance: expected standard
- Post-16 provision: expected standard
- Safeguarding: met
Ofsted report for Amersham School
1.8 mi2,930 m E
Dr Challoner's High School
HP7 9QB, Buckinghamshire; selective (grammar), sixth form

Outstanding overall grade on the old four-point scale, 21 November 2023
GCSE 2025/26, provisional: Attainment 8 76.2 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 100.0% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade A-, 45.67 points per entry (England B-, 35.00)
The key judgements, one by one
- Quality of education: outstanding
- Behaviour and attitudes: outstanding
- Personal development: outstanding
- Leadership and management: outstanding
- Sixth form provision: outstanding
Ofsted report for Dr Challoner's High School
2.3 mi3,684 m N
Chesham Grammar School
HP5 1BA, Buckinghamshire; selective (grammar), sixth form

Key judgements, no overall grade graded inspection, 4 March 2025
GCSE 2025/26, provisional: Attainment 8 75.6 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 98.3% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade A-, 46.29 points per entry (England B-, 35.00)
The key judgements, one by one
- Quality of education: outstanding
- Behaviour and attitudes: outstanding
- Personal development: outstanding
- Leadership and management: outstanding
- Sixth form provision: outstanding
Ofsted report for Chesham Grammar School
2.3 mi3,770 m N
Chiltern Hills Academy
HP5 2RG, Buckinghamshire; sixth form

School remains Good ungraded inspection, 22 September 2022

GCSE 2025/26, provisional: Attainment 8 40.9 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 28.6% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade C-, 26.64 points per entry (England B-, 35.00)
Ofsted report for Chiltern Hills Academy
3.8 mi6,193 m W
Holmer Green Senior School
HP15 6SP, Buckinghamshire; sixth form

Report card inspected 17 March 2026; safeguarding met
GCSE 2025/26, provisional: Attainment 8 47.6 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 56.0% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade C+, 32.51 points per entry (England B-, 35.00)
The report card, area by area
- Inclusion: expected standard
- Curriculum and teaching: expected standard
- Achievement: expected standard
- Attendance and behaviour: expected standard
- Personal development and wellbeing: strong standard
- Leadership and governance: expected standard
- Post-16 provision: strong standard
- Safeguarding: met
Ofsted report for Holmer Green Senior School
4.2 mi6,752 m E
St Clement Danes School
WD3 6EW, Hertfordshire; sixth form

Outstanding overall grade on the old four-point scale, 26 March 2024
GCSE 2025/26, provisional: Attainment 8 64.0 (Hertfordshire 50.4, England 46.2); grades 5+ in English and maths 82.0% (Hertfordshire 53.6%, England 46.3%); A level 2024/25: average grade B+, 42.94 points per entry (England B-, 35.00)
The key judgements, one by one
- Quality of education: outstanding
- Behaviour and attitudes: outstanding
- Personal development: outstanding
- Leadership and management: outstanding
- Sixth form provision: outstanding
Ofsted report for St Clement Danes School
4.4 mi6,996 m W
The Misbourne School
HP16 0BN, Buckinghamshire; sixth form

Report card inspected 28 April 2026; safeguarding met
GCSE 2025/26, provisional: Attainment 8 51.9 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 56.2% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade C, 31.28 points per entry (England B-, 35.00)
The report card, area by area
- Inclusion: expected standard
- Curriculum and teaching: expected standard
- Achievement: expected standard
- Attendance and behaviour: expected standard
- Personal development and wellbeing: expected standard
- Leadership and governance: expected standard
- Post-16 provision: expected standard
- Safeguarding: met
Ofsted report for The Misbourne School
4.8 mi7,657 m SW
Sir William Ramsay School
HP15 7UB, Buckinghamshire; sixth form

Inadequate overall grade on the old four-point scale, 14 June 2022
GCSE 2025/26, provisional: Attainment 8 35.1 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 22.5% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade D+, 22.57 points per entry (England B-, 35.00)
The key judgements, one by one
- Quality of education: requires improvement
- Behaviour and attitudes: inadequate
- Personal development: requires improvement
- Leadership and management: inadequate
- Sixth form provision: good
Ofsted report for Sir William Ramsay School

See more schools around it: the next schools by distance, or the nearest grammar schools, or the nearest sixth forms.

The latest inspection, in detail

Ungraded inspection of 6 November 2024: Standards maintained.

Earlier graded inspection of 5 November 2019: overall effectiveness Outstanding on the old four-point scale.

An ungraded inspection gives no new grades: it ends with a statement on the school. How to read Ofsted grades.

Read the full report on Ofsted’s website

Exam results

GCSE and other key stage 4 results, 2025/26 (provisional): 185 pupils at the end of key stage 4
Measure	This school	Buckinghamshire	England
Average Attainment 8 score	76.2	53.7	46.2
Percentage of pupils achieving grades 5 or above in English and maths GCSEs	98.9%	59.8%	46.3%
Percentage of pupils achieving grades 4 or above in English and maths GCSEs	99.5%	74.3%	64.8%

England and Buckinghamshire: all state-funded schools. Provisional figures can be revised by the Department for Education. The 2025/26 data gives no Progress 8 scores.

A level results, 2024/25: 220 students
Measure	This school	England
Average grade per A level entry	A-	B-
A level average point score per entry	47.41	35.00
Students achieving AAB or better, at least two in facilitating subjects	57.8%	17.5%

England: all state-funded schools and colleges.

Nearby schools with a page on this site

Dr Challoner's High School Buckinghamshire, 1.8 mi in a straight line
Chesham Grammar School Buckinghamshire, 2.3 mi in a straight line
Beaconsfield High School Buckinghamshire, 5.2 mi in a straight line

In the register of schools

Dr Challoner's Grammar School is a state-funded boys' secondary school in Buckinghamshire, for pupils aged 11 to 18, with a sixth form. Its admissions policy is recorded as selective. The register counts 1,384 pupils for a capacity of 1,356. Trust: DR CHALLONER'S GRAMMAR SCHOOL. Address: Chesham Road, Amersham, HP6 5HA. Website: www.challoners.com.

For school places, distance is measured as set out in each school’s admission arrangements, which may differ from a straight line: check them with the school or the council.

Sources

Department for Education: Key stage 4 performance, academic year 2025/26 (provisional), school, local authority and England data, accessed 31 October 2026.
Department for Education: 16 to 19 performance, academic year 2024/25 (final), A level results by school and for England, accessed 31 October 2026.
Department for Education: Get Information about Schools, register of schools (all establishments, 30 October 2026), accessed 30 October 2026.
Ofsted: management information, state-funded schools, latest inspections as at 30 September 2026, accessed 30 October 2026.

Last updated 2 November 2026.