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The Portsmouth Grammar School

All-through · Mixed · Ages 2–19 · Independent school

High Street, Old Portsmouth, Portsmouth PO1 2LN · pgs.org.uk · 023 9236 0036

On the mapSearch near PO1 2LN

Overview

Inspection
ISI
Inspected by the Independent Schools Inspectorate, not Ofsted
A levels, 2024/25
A-
average result (46.7 points per entry)
Pupils
973
54% of 1,789 places
Local authority
Portsmouth
Sixth form
Yes
Nursery class
Yes

The official school record (Department for Education)

Results

In 2024/25 the average A level result was grade A- (46.7 points per entry).

GCSE results

Attainment 8

2019/20 to 2020/21: no school results published15/1616/1717/1818/1921/2222/2323/2424/252016/17: 37.7 (England 46.3)37.72017/18: 36.2 (England 46.5)36.22018/19: 53.3 (England 46.7)53.32021/22: 45.7 (England 48.8)45.72022/23: 34.7 (England 46.3)34.72023/24: 42.9 (England 45.9)42.92024/25: 41.5 (England 46.0)41.5England 46.0
2024/25TrendSchoolEngland
▼41.546.0
▼0.0%45.4%
▼0.0%64.8%
▼0.0%40.5%
▼2.864.09

A levels and other 16 to 18 results

A level average grade

2019/20 to 2020/21: no school results published15/1616/1717/1818/1921/2222/2323/2424/252015/16: 42.0 (England 30.5)B+2016/17: 43.0 (England 31.1)B+2017/18: 43.7 (England 32.1)B+2018/19: 42.2 (England 32.9)B+2021/22: 48.0 (England 37.9)A-2022/23: 44.4 (England 34.2)B+2023/24: 43.3 (England 34.4)B+2024/25: 46.7 (England 35.0)A-England 35.0
2024/25TrendAverage gradeProgress
133 studentsA- (46.7)Above average +0.33
133 studentsA- (46.8)Above average +0.32
48%AAB or better
Earlier years: A levelStudentsAverage gradeProgress
2023/24141B+ (43.3)+0.05
2022/23135B+ (44.4)—
2021/22112A- (48)—
2018/19169B+ (42.2)+0.43
2017/18153B+ (43.7)+0.14
2016/17153B+ (43)+0.13
2015/16167B+ (42)+0.17

Where sixth-form leavers went

2015/162016/172017/182018/192019/202021/222022/232023/24
Left in 2023/24Since 2021/22
University68.1−7.1
Further and other education2.8−3.2
Further education0.7−3.6
Other education2.1+0.4
Apprenticeship3.5+2.6
Employment13.5+3.2
Not in a lasting destination7.8+3.5
Activity not captured4.3+0.9

ISI

The Portsmouth Grammar School is inspected by the Independent Schools Inspectorate, not by Ofsted.

Standards
Met
Inspected
23 to 25 September 2025
Routine inspection

Safeguarding metInspection reports

Standards

Quality of educationMet
Health and emotional wellbeingMet
Social and economic educationMet
Leadership and governanceMet

Earlier inspections

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