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Mossbourne Port Side Academy

Secondary school

Mossbourne Port Side Academy is a secondary school in Thurrock, for pupils aged 11 to 16. It had 443 pupils at the school census in January 2026.

Ofsted

Latest inspections as at 30 September 2026

Requires improvement (overall), October 2023, before the school changed

Inspection
Graded inspection, 3 October 2023
Overall effectiveness
Requires improvement
Quality of education
Requires improvement
Behaviour and attitudes
Requires improvement
Personal development
Good
Leadership and management
Good

Outcomes as Ofsted published them. Report cards (from November 2025) give no overall grade, and grades under different frameworks can’t be compared.

Results

Department for Education

In 2025/26, the average Attainment 8 score at Mossbourne Port Side Academy was 42.0, against 45.9 in Thurrock and 46.2 in England.

43.9% of its pupils got grade 5 or above in English and maths GCSEs (46.3% in England).

End of secondary school (KS4, GCSEs)

2025/26, provisional
MeasureThis schoolThurrockEngland
Average Attainment 8 score42.045.946.2
Grade 5 or above in English and maths43.9%46%46.3%
Grade 4 or above in English and maths60.2%65.4%64.8%
Pupils at the end of KS4123––
  • The 2025/26 figures are provisional. The Department for Education publishes revised ones later in the school year.
  • Progress 8 cannot be worked out for 2025/26, because the KS2 tests that give the starting point were cancelled in 2020 and 2021.
  • Results reflect the pupils a school admits as well as its teaching, and a year's results can move a lot in a small school.

Schools nearby

In a straight line

Admissions and catchments are set by councils and schools, which Open Index doesn’t map. Every school in Thurrock

Where these figures come from

  • Schools: the school lists of the Department for Education, the Welsh Government and the Scottish Government, with Ofsted’s latest inspections for England.
  • Results: the Department for Education’s school performance tables (Open Government Licence).