St John's Preparatory and Senior School vs Stormont School
Side-by-side comparison of key school data
St John's Preparatory and Senior School
Potters Bar
Stormont School
Potters Bar
Overview
Phase
All-through
Prep
Type
Other independent school
Other independent school
Age Range
3–19
4–11
Gender
Mixed
Girls
Religious Character
None
None
Admissions
Selective
Selective
Local Authority
Enfield
Hertfordshire
Pupils & Capacity
Pupils
493
112
Capacity
558
172
Occupancy
88%
65%
FSM %
-
-
Nursery
Sixth Form
Boarding
Ofsted
Overall Rating
-
-
Quality of Education
-
-
Behaviour & Attitudes
-
-
Personal Development
-
-
Leadership & Management
-
-
Last Inspected
Mar 2019
-
Performance (2026)
Progress 8
-
-
Attainment 8
59.9
-
GCSE Eng+Maths 5+
87.2%
-
KS2 Reading
-
-
KS2 Maths
-
-
KS2 Writing
-
-
A-Level Performance (2024/25)
Average Grade
B
-
Points Per Entry
39.5
-
Best 3 A-Levels
B
-
AAB+ %
19%
-
Value Added
Average
-
A-Level Students
22
-
Retention
-
-
A-Level Subjects
Subjects offered
15
0
Top subjects
Mathematics (44)
Mathematics (28)
Chinese (24)
Chemistry (20)
Biology (20)
History (18)
Photography (16)
Business Studies (16)