Dr Challoner's High School

Academy converter; selective (grammar), sixth form; girls; ages 11 to 18; 1,391 pupils; Buckinghamshire, HP7 9QB; URN 137219

Dr Challoner's High School’s latest inspection, on 21 November 2023, gave an overall grade of Outstanding on the old four-point scale. Of the eight state secondary schools nearest to it, one has a report card, one has key judgements without an overall grade, two have an overall grade on the old scale and four have an ungraded inspection. The oldest verdict, at Chiltern Hills Academy, dates from 22 September 2022; the latest, at Amersham School, from 2 December 2025.

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 High School and the eight state secondary schools nearest to it

From Dr Challoner's High 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 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
1.0 mi1,661 m W
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 W
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
2.4 mi3,870 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
3.2 mi5,070 m NW
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
3.7 mi5,906 m SE
The Reach Free School
WD3 8AB, Hertfordshire; sixth form

Standards maintained ungraded inspection, 16 October 2024

GCSE 2025/26, provisional: Attainment 8 44.7 (Hertfordshire 50.4, England 46.2); grades 5+ in English and maths 29.8% (Hertfordshire 53.6%, England 46.3%); A level 2024/25: average grade C, 30.70 points per entry (England B-, 35.00)
Ofsted report for The Reach Free School
3.7 mi5,908 m NW
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
4.0 mi6,390 m S
The Chalfonts Community College
SL9 8TP, Buckinghamshire; sixth form

Good overall grade on the old four-point scale, 1 November 2022
GCSE 2025/26, provisional: Attainment 8 41.1 (Buckinghamshire 53.7, England 46.2); grades 5+ in English and maths 32.9% (Buckinghamshire 59.8%, England 46.3%); A level 2024/25: average grade C-, 27.37 points per entry (England B-, 35.00)
The key judgements, one by one
- Quality of education: good
- Behaviour and attitudes: good
- Personal development: good
- Leadership and management: good
- Sixth form provision: good
Ofsted report for The Chalfonts Community College
4.8 mi7,811 m SE
Saint Joan of Arc Catholic School
WD3 1HG, Hertfordshire; sixth form

School remains Good ungraded inspection, 19 October 2023

GCSE 2025/26, provisional: Attainment 8 50.6 (Hertfordshire 50.4, England 46.2); grades 5+ in English and maths 52.7% (Hertfordshire 53.6%, England 46.3%); A level 2024/25: average grade C+, 32.43 points per entry (England B-, 35.00)
Ofsted report for Saint Joan of Arc Catholic 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

Graded inspection of 21 November 2023: overall effectiveness Outstanding
Key judgement	Position on the four-point scale	Grade
Quality of education		Outstanding
Behaviour and attitudes		Outstanding
Personal development		Outstanding
Leadership and management		Outstanding
Sixth form provision		Outstanding

These grades come from the inspection system used before 10 November 2025; Ofsted says they cannot be compared with the new report cards. How to read these grades.

Read the full report on Ofsted’s website

Exam results

GCSE and other key stage 4 results, 2025/26 (provisional): 184 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	100.0%	59.8%	46.3%
Percentage of pupils achieving grades 4 or above in English and maths GCSEs	100.0%	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: 209 students
Measure	This school	England
Average grade per A level entry	A-	B-
A level average point score per entry	45.67	35.00
Students achieving AAB or better, at least two in facilitating subjects	40.7%	17.5%

England: all state-funded schools and colleges.

Nearby schools with a page on this site

Dr Challoner's Grammar School Buckinghamshire, 1.8 mi in a straight line
Chesham Grammar School Buckinghamshire, 3.2 mi in a straight line
Beaconsfield High School Buckinghamshire, 5.4 mi in a straight line

In the register of schools

Dr Challoner's High School is a state-funded girls' secondary school in Buckinghamshire, for pupils aged 11 to 18, with a sixth form. Its admissions policy is recorded as selective. The register counts 1,391 pupils for a capacity of 1,145. Trust: DR CHALLONER'S HIGH SCHOOL. Address: Cokes Lane, Little Chalfont, Amersham, HP7 9QB. Website: challonershigh.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.