John Mason School vs St Helen and St Katharine
Side-by-side comparison of key school data
John Mason School
Abingdon
St Helen and St Katharine
Abingdon
Overview
Phase
Secondary
All-through
Type
Academy converter
Other independent school
Age Range
11–18
9–18
Gender
Mixed
Girls
Religious Character
Does not apply
None
Admissions
Non-selective
Selective
Local Authority
Oxfordshire
Oxfordshire
Pupils & Capacity
Pupils
927
700
Capacity
1040
750
Occupancy
89%
93%
FSM %
14.0%
-
Nursery
Sixth Form
Boarding
Ofsted
Overall Rating
-
-
Quality of Education
-
-
Behaviour & Attitudes
-
-
Personal Development
-
-
Leadership & Management
-
-
Last Inspected
Dec 2024
-
Performance (2026)
Progress 8
-
-
Attainment 8
44.9
71.3
GCSE Eng+Maths 5+
43.8%
99%
KS2 Reading
-
-
KS2 Maths
-
-
KS2 Writing
-
-
A-Level Performance (2024/25)
Average Grade
C
A-
Points Per Entry
31.3
46.7
Best 3 A-Levels
C
A-
AAB+ %
10%
58%
Value Added
Below average
Above average
A-Level Students
77
94
Retention
89%
-
University Destinations (2022/23 cohort)
Top-third university
24%
-
Degree course
71%
-
Any L4+ destination
76%
-
Apprenticeships
4%
-
Cohort size
76
-
A-Level Subjects
Subjects offered
15
15
Top subjects
Mathematics (60)
Mathematics (46)
Physics (46)
Biology (46)
Psychology (46)
Physics (40)
Chemistry (38)
Geography (36)
Mathematics (88)
Biology (68)
Chemistry (62)
Chemistry (60)
Mathematics (58)
Biology (58)
Psychology (56)
Psychology (54)