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The Portsmouth Grammar School

IndependentData as of May 2026
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The Portsmouth Grammar School

High Street, Old Portsmouth, Portsmouth, PO1 2LN

Independent school · Ages 2–19 · Mixed

Inspection
ISI inspected

Academic picture

40.5school · 46.0 national reference

Attainment 8 · 2024/25. Average GCSE points across eight subjects, not a percentage.

Why is Progress 8 unavailable?

Progress 8 is unavailable nationally for this year because the cohort's KS2 baseline tests were cancelled. This is not a negative judgement on the school.

Explore results and trends

Before you apply

Confirm entry-year admission rules, places and selection requirements with the school or local authority.

Inspected by ISI, not Ofsted

?

Since September 2023, ISI no longer awards an overall grade like Good or Outstanding. Read the school's latest report for compliance, significant strengths, and areas for improvement.

Find reports on isi.net

Exam Results

Official performance data from the Department for Education

GCSE Results (Secondary)

Key performance measures— 2024/25

Attainment 8
40.5
Progress 8?
N/A
9-7 Grades
63.6%
Basics 9-5
0.0%

Exam attainment

Attainment 8 · GCSE points across eight subjects, not a percentage or a measure of progress.

School · 2024/25

40.5

National · same year

46.0

SchoolNational reference
View data by year
Attainment 8 values by academic year
YearSchoolNational
2022/2334.746.4
2023/2442.946.4
2024/2540.546.0

Learning progress

Progress 8 · Progress compared with pupils who had similar prior attainment. Zero is the national progress baseline.

School · 2024/25

Not available

National · same year

Not available

SchoolNational reference
View data by year
Progress 8 values by academic year
YearSchoolNational
2022/23Not available0.00
2023/24Not available0.00
2024/25Not availableNot available

Progress 8 is unavailable for 2024/25 because the cohort's KS2 baseline tests were cancelled nationally. Missing values are not zero.

Grades at or above each threshold

These percentages overlap: grades 9–7 are also included in 9–5 and 9–4. Do not add the lines together.

9–7% / 9–5% / 9–4% available from 2023/24; no grade breakdown for 2022/23

EBacc Measures

EBacc Entry
0.0%
EBacc APS
2.79
EBacc 9-5
0.0%
EBacc 9-4
0.0%
How to read Progress 8 vs Attainment 8Two numbers, two different stories. The 6-min explainer for parents.

A-Level Results (Post-16)

Key A-Level performance measures— 2024/25

APS per Entry
46.71
A*-A Grades
60.5%
A*-B Grades
86.5%
AAB+ %
48.0%

APS per Entry

National avgSelective avg

Grade Distribution (%)

A*-A% / A*-B% available from 2023/24; no grade breakdown for 2022/23

Based on 133 students entered

Community & Reviews

What parents say and who teaches here

Location & Area

Explore the neighbourhood around the school

Data shown for guidance only · confirm details with the school before applying

Nearby secondary schools

Closest alternatives within 15 km.

Portsmouth High School GDST
0.62 km away · Other independent school
Ark Charter Academy
0.96 km away · Academy sponsor led
Good
St Edmund's Catholic School
1.25 km away · Voluntary aided school
Outstanding
Priory School
1.67 km away · Academy sponsor led
Good
Mayville High School
1.78 km away · Other independent school

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About The Portsmouth Grammar School

The Portsmouth Grammar School is a secondary school in Portsmouth, Portsmouth. Latest published results: GCSE 2024/25: Attainment 8 40.5. The school has around 1,142 pupils on roll. Compare the available school details with nearby alternatives to help build your shortlist.

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Location: High Street, Portsmouth, PO1 2LN | More schools in Portsmouth

Schools near The Portsmouth Grammar School

Other open schools within 15 km, matched to this school's phase where known.

Frequently asked questions about The Portsmouth Grammar School

What are The Portsmouth Grammar School's latest exam results?
The Portsmouth Grammar School: GCSE 2024/25: Attainment 8 40.5. Check the source and academic year shown with each result.
Where is The Portsmouth Grammar School located?
The Portsmouth Grammar School is a secondary school in Portsmouth, Portsmouth (PO1 2LN).
How many pupils attend The Portsmouth Grammar School?
The Portsmouth Grammar School has around 1,142 pupils on roll according to the latest school census data.
How can I compare The Portsmouth Grammar School with other schools?
View The Portsmouth Grammar School's full profile on FavSchools for available results and school details, then use the comparison tool or interactive map to explore nearby alternatives in Portsmouth.