Dr Challoner's High School
Amersham, Buckinghamshire, South East · HP7 9QB
A selective girls' grammar in Amersham, Dr Challoner's High School has earned an Ofsted rating of Outstanding across every category, from quality of education to sixth form. With roughly 1,358 girls on roll against a capacity of 1,145, it is a large and clearly oversubscribed school. Entry at 11 is competitive and managed through The Buckinghamshire Grammar Schools consortium. The pupil intake is relatively diverse linguistically, with around one in six speaking English as an additional language.
1,358
Pupils
Outstanding
Ofsted
180
Places (PAN)
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Open in Google Maps ↗Overview & data
- Gender
- Girls
- Type
- state grammar school
- Pupils
- 1,358
- Pupil:teacher ratio
- 18.7
- Location
- Amersham, Buckinghamshire, South East
- Website
- http://challonershigh.com/
Entrance & admissions
- Consortium
- The Buckinghamshire Grammar Schools
- Exam board
- GL Assessment
- Subjects tested
- Maths, Non-Verbal Reasoning, Verbal Reasoning
- Places (PAN)
- 180
- Entry age
- 11
Key dates· 2027 entry
Registration opens
1 May 2026
Registration closes
2 June 2026
Exam dateNext
10 September 2026
Application deadline
31 October 2026
Offers date
1 March 2027
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Latest results
Attainment 8
79.1
National average 46.9
GCSE grade 5+ (English & Maths)
100%
National average 47%
Teaching & academics
The academic results are exceptional. The average Attainment 8 score of 79.1 sits far above the national average of 46.9, and every pupil achieves grade 5 or above in English and Maths against a national figure of just 47%. With a pupil-to-teacher ratio of about 18.7 and an Outstanding judgement for quality of education, this is a school built for academically able girls who will thrive in a demanding environment.
Learning support & SEN
- SEN support
- 2.8%
- EHC plans
- 0.29%
- English as additional language
- 15.8%
- Free school meals
- 2.5%
Ethos & heritage
- Boarding
- No
Inspection reports
- Ofsted overall
- Outstanding
- Quality of education
- Outstanding
- Behaviour & attitudes
- Outstanding
- Last inspected
- 21 November 2023
The last word
An academically elite girls' grammar where strong results and an across-the-board Outstanding rating come hand in hand with fierce competition for the 180 places at 11.
The Passmate verdict
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Dr Challoner's High School 11+: frequently asked questions
Where is Dr Challoner's High School located?
Dr Challoner's High School is located at Cokes Lane, Little Chalfont, Amersham, HP7 9QB.
What type of school is Dr Challoner's High School?
Dr Challoner's High School is a state grammar school in South East.
What subjects does Dr Challoner's High School test in the 11+?
Dr Challoner's High School tests Maths, Non-Verbal Reasoning and Verbal Reasoning at 11+.
Which exam board does Dr Challoner's High School use for the 11+?
Dr Challoner's High School's 11+ uses GL Assessment.
When is the Dr Challoner's High School 11+ exam?
For the 2027 entry, the Dr Challoner's High School 11+ exam is on 10 September 2026.
How do I apply to Dr Challoner's High School?
For 2027 entry, registration opens on 1 May 2026, registration closes on 2 June 2026 and the application deadline is 31 October 2026.
When are Dr Challoner's High School 11+ offers released?
For 2027 entry, Dr Challoner's High School releases offers on 1 March 2027.
Which consortium does Dr Challoner's High School belong to?
Dr Challoner's High School is part of the The Buckinghamshire Grammar Schools consortium.
How many places does Dr Challoner's High School offer?
Dr Challoner's High School has a published admission number of 180 places.
How many pupils attend Dr Challoner's High School?
Dr Challoner's High School has approximately 1,358 pupils on roll.
What is Dr Challoner's High School's Ofsted rating?
Dr Challoner's High School was rated "Outstanding" by Ofsted at its inspection on 21 November 2023.
Compiled from public data. Last checked June 2026.