The Datum Report

Standing view · skills · Portsmouth

Skills and attainment in Portsmouth have been mixed.

mixed, held with tentative confidence, formed on 31 August 2026 from movements in 2024/2025.

The share of Portsmouth pupils reaching grade 4 or above in GCSE English and maths rose to 55.9% in 2023/24, when entry to both subjects rose to 95.2% of the cohort. Entry then fell to 93.2% in 2024/25. Attainment improved in the one year published while the entry rate went the other way in the following year, and a smaller entered cohort can move an attainment share on its own, which is why these two readings do not settle a direction.

How this was decided

A view is formed only where the evidence names a figure you can check. Each movement listed as a reason had to be large enough to matter and distinctive in at least one way — unusual against this area's own history, unusual against comparable areas, or sustained over several periods. A movement shared with peers counts for less, because it says something about the country rather than about Portsmouth. Where no figure supports a direction we hold no view rather than a hedged one.

The 3 measures that formed this view

MeasurePeriodDirection
GCSE grade 4+ in English and maths2023/2024improving
Pupils entering English and maths GCSEs2023/2024improving
Pupils entering English and maths GCSEs2024/2025deteriorating