Portsmouth High School GDST vs Ark Charter Academy
Side-by-side comparison of key school data
Portsmouth High School GDST
Southsea
Ark Charter Academy
Southsea
Overview
Phase
All-through
Secondary
Type
Other independent school
Academy sponsor led
Age Range
2–19
11–16
Gender
Girls
Mixed
Religious Character
None
Church of England
Admissions
-
Non-selective
Local Authority
Portsmouth
Portsmouth
Pupils & Capacity
Pupils
436
883
Capacity
650
900
Occupancy
67%
98%
FSM %
-
65.6%
Nursery
Sixth Form
Boarding
Ofsted
Overall Rating
-
-
Quality of Education
-
Good
Behaviour & Attitudes
-
Good
Personal Development
-
Good
Leadership & Management
-
Good
Last Inspected
-
Dec 2024
Performance (2026)
Progress 8
-
-
Attainment 8
14.5
39.9
GCSE Eng+Maths 5+
0%
32.1%
KS2 Reading
-
-
KS2 Maths
-
-
KS2 Writing
-
-
A-Level Performance (2024/25)
Average Grade
B+
-
Points Per Entry
41.8
-
Best 3 A-Levels
B-
-
AAB+ %
15%
-
Value Added
Well above average
-
A-Level Students
44
-
Retention
-
-
A-Level Subjects
Subjects offered
15
0
Top subjects
Psychology (28)
Chemistry (28)
Biology (24)
English Literature (22)
Business Studies (22)
Chemistry (22)
English Literature (20)
History (18)