St John's Marlborough
About St John's Marlborough
St John's Marlborough is a state-funded secondary school in Wiltshire, South West, for pupils aged 11 to 18 for boys and girls. DfE data records 1,692 pupils on roll and a published capacity of 1,620.
The latest recorded Ofsted overall judgement is Good (11 Feb 2025). the published Attainment 8 score was 50.9 for 2024/25. the published A-level average grade was B- for 2023/24. admissions data records 308 first-preference applications and 265 offers made on national offer day for 2026/27.
Figures can refer to different reporting periods. Check the date and source shown beside each section. How Classpot uses school data.
Key Details
The full report on this school
What 327 parents told Ofsted, the inspection in plain English, and how this school compares to nearby alternatives — all in one full school report.
- Ofsted inspection in plain EnglishStrengths, concerns and what inspectors flagged
- Parent View survey resultsWhat parents told Ofsted — when the school has 10+ responses
- Where Ofsted and parents disagreeGaps to probe + questions to ask at the open day
- Admissions & catchmentAdmission criteria, distance cutoffs (where the LA publishes them)
- Nearby schools comparedBackup options with Ofsted, demand and distance
- Attendance & behaviour dataPersistent absentees, suspensions and exclusions vs national
Ofsted Inspection Breakdown
11 Feb 2025State-funded school inspections stopped receiving a single overall grade from September 2024. Renewed inspections from November 2025 use report cards with separate five-point grades that are not directly comparable with the old scale.
Source: Ofsted, 13 Mar 2025. Ratings: 1=Outstanding, 2=Good, 3=Requires Improvement, 4=Inadequate.
Published SEND Data
Source: Department for Education. Confirm current provision with the school's SENCO.
School day
Teaching hours
08:35 – 15:10
Source: stjohns.excalibur.org.uk. Extracted automatically — confirm with the school before relying on these times.
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Frequently Asked Questions About St John's Marlborough
Helpful Guides for Parents
Ofsted Ratings Explained
Understand the 4 Ofsted ratings and what they mean
Understanding Progress 8
Learn how Progress 8 measures pupil progress from primary to GCSE
SEN & EHCP: A Parent's Guide
Understanding SEN support, EHC Plans and your legal rights
Understanding School Catchment Areas
How admission distances work and tips for maximising your choices