Chestnut Lane School vs Dr Challoner's Grammar School
Side-by-side comparison of key school data
Chestnut Lane School
Amersham
Dr Challoner's Grammar School
Amersham
Overview
Phase
Primary
Secondary
Type
Community school
Academy converter
Age Range
3–7
11–18
Gender
Mixed
Boys
Religious Character
Does not apply
None
Admissions
-
Selective
Local Authority
Buckinghamshire
Buckinghamshire
Pupils & Capacity
Pupils
206
1384
Capacity
210
1356
Occupancy
98%
102%
FSM %
3.8%
2.5%
Nursery
Sixth Form
Boarding
Ofsted
Overall Rating
-
-
Quality of Education
Good
Outstanding
Behaviour & Attitudes
Outstanding
Outstanding
Personal Development
Outstanding
Outstanding
Leadership & Management
Good
Outstanding
Last Inspected
Jan 2025
Nov 2024
Performance (2026)
Progress 8
-
-
Attainment 8
-
76.2
GCSE Eng+Maths 5+
-
98.9%
KS2 Reading
-
-
KS2 Maths
-
-
KS2 Writing
-
-
A-Level Performance (2024/25)
Average Grade
-
A-
Points Per Entry
-
47.4
Best 3 A-Levels
-
A-
AAB+ %
-
58%
Value Added
-
Above average
A-Level Students
-
220
Retention
-
99%
University Destinations (2022/23 cohort)
Top-third university
-
75%
Degree course
-
93%
Any L4+ destination
-
96%
Apprenticeships
-
2%
Cohort size
-
216
A-Level Subjects
Subjects offered
0
15
Top subjects
Mathematics (356)
Mathematics (304)
Physics (176)
Economics (152)
Chemistry (142)
Chemistry (142)
Biology (138)
Physics (134)