The Portsmouth Grammar School
🇬🇧 Official data · 2025Portsmouth, South East PO1 2LN · Portsmouth
#412 of 679 all-through schools in South East
#2588 of 4,090 nationally
About The Portsmouth Grammar School
The Portsmouth Grammar School is a independent all-through located in Portsmouth, in the Portsmouth local authority of South East, England. It caters for Ages 2–19. In 2025 it enrolled 973 students. Fee-paying independent schools. Most do not publish Key Stage results in the government performance tables.
Its Success Index (England) is 37.3 out of 100, placing it in the lower 50% of all-through schools in England and 412th of 679 ranked all-through schools in South East. Its strongest component is a level points per entry (95th percentile), and its weakest is grade 5+ in english & maths (6th percentile).
Other published figures: pupils on roll 973; capacity filled 54.4%; grade 4+ english & maths 0%; ebacc average points 2.86.
There are 46 schools in Portsmouth; The Portsmouth Grammar School ranks 15th of 45 scored schools there.
Success Index (England) breakdown
Each component is a percentile against all-through schools across England.
- KS2: reading, writing & maths expected standard (35%)–
- KS2: higher standard (20%)–
- KS2: reading progress (10%)–
- KS2: maths progress (10%)–
- Progress 8 (20%)–
- Attainment 8 (30%)41.5
- Grade 5+ in English & maths (15%)0%
- A level points per entry (10%)46.7
- Community advantage (fewer pupils on free school meals) (15%)–
The Success Index (England) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for The Portsmouth Grammar School by the official sources.
- Pupils on roll
- 973
- Number of pupils in the latest school census.
- Capacity filled
- 54.4%
- Pupils on roll as a share of the school's reported capacity.
- Attainment 8
- 41.5
- Average GCSE points across eight subjects.
- Grade 5+ English & maths
- 0%
- Share of pupils with a strong pass in both English and maths GCSE.
- Grade 4+ English & maths
- 0%
- Share of pupils with a standard pass in both English and maths GCSE.
- EBacc average points
- 2.86
- Average point score across the English Baccalaureate subjects.
- A level points per entry
- 46.7
- Average points per A level entry (A* = 60, E = 10).
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Schools near The Portsmouth Grammar School
Closest schools by straight-line distance, with their Success Index (England).
St Jude's CofE Primary School
Portsmouth · Local authority primary · Ages 4–11
407 students · 184 m away
Portsmouth High School GDST
Southsea · Independent all-through · Ages 2–19
436 students · 620 m away
St George's Beneficial Church of England (Voluntary Controlled) Primary School
Portsmouth · Local authority primary · Ages 3–11
274 students · 804 m away
Cottage Grove Primary School and Nursery
Southsea · Academy primary · Ages 2–11
462 students · 887 m away
Ark Charter Academy
Southsea · Academy secondary · Ages 11–16
883 students · 956 m away
St Edmund's Catholic School
Portsmouth · Local authority secondary · Ages 11–16
1,157 students · 1.3 km away
Ark Ayrton Primary Academy
Portsmouth · Academy primary · Ages 2–11
495 students · 1.3 km away
St John's Cathedral Catholic Primary School
Portsmouth · Local authority primary · Ages 3–11
237 students · 1.5 km away
Southsea Infant School
Southsea · Local authority primary · Ages 4–7
167 students · 1.6 km away
Arundel Court Primary Academy and Nursery
Portsmouth · Academy primary · Ages 3–11
668 students · 1.6 km away
Similar schools
Independent all-through schools in South East with a comparable Pupils on roll.
City of London Freemen's School
Surrey · Independent all-through · Ages 7–18
971 students
Seaford College
Petworth · Independent all-through · Ages 4–18
970 students
The King's School Canterbury
Canterbury · Independent secondary · Ages 13–19
985 students
King Edward VI School
Southampton · Independent all-through · Ages 10–19
989 students
St George's College Weybridge
Addlestone · Independent secondary · Ages 11–19
990 students
Magdalen College School
Oxford · Independent all-through · Ages 7–19
938 students
Frequently asked questions
Is The Portsmouth Grammar School a good school?
The Portsmouth Grammar School has a Success Index (England) of 37.3 out of 100 (Lower 50% of all-through schools in England) and ranks #412 of 679 in South East. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does The Portsmouth Grammar School rank in South East?
The Portsmouth Grammar School ranks #412 of 679 all-through schools in South East and #2588 of 4,090 nationally on the Success Index (England) (2025 data).
How many students attend The Portsmouth Grammar School?
The Portsmouth Grammar School had 973 students in 2025.
Is The Portsmouth Grammar School a primary school or a secondary school?
The Portsmouth Grammar School is classified as a all-through covering Ages 2–19. It is a independent school.
What other schools are near The Portsmouth Grammar School?
There are 10 schools within 15 km of The Portsmouth Grammar School; they are listed on this page with their Success Index (England) and distance, and can be compared side by side.