Chelmsford County High School for Girls vs High Trees
Side-by-side comparison of key school data
Chelmsford County High School for Girls
Chelmsford
High Trees
London
Overview
Phase
Secondary
Special
Type
Academy converter
Other independent special school
Age Range
11–18
11–17
Gender
Girls
Mixed
Religious Character
None
-
Admissions
Selective
-
Local Authority
Essex
Essex
Pupils & Capacity
Pupils
1275
0
Capacity
1285
4
Occupancy
99%
0%
FSM %
5.3%
-
Nursery
Sixth Form
Boarding
Ofsted
Overall Rating
Outstanding
-
Quality of Education
Outstanding
-
Behaviour & Attitudes
Outstanding
-
Personal Development
Outstanding
-
Leadership & Management
Outstanding
-
Last Inspected
Jan 2024
Dec 2025
Performance (2026)
Progress 8
-
-
Attainment 8
81.4
-
GCSE Eng+Maths 5+
98.9%
-
KS2 Reading
-
-
KS2 Maths
-
-
KS2 Writing
-
-
A-Level Performance (2024/25)
Average Grade
A-
-
Points Per Entry
47.2
-
Best 3 A-Levels
A-
-
AAB+ %
56%
-
Value Added
Average
-
A-Level Students
150
-
Retention
98%
-
University Destinations (2022/23 cohort)
Top-third university
66%
-
Degree course
88%
-
Any L4+ destination
96%
-
Apprenticeships
7%
-
Cohort size
149
-
A-Level Subjects
Subjects offered
15
0
Top subjects
Mathematics (164)
Biology (152)
Mathematics (150)
Biology (142)
Chemistry (140)
Chemistry (128)
Psychology (88)
Psychology (78)