JM
John Mason School
Abingdon·South East·Academy
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SecondaryAcademyAges 11–18Co-edDoes not apply
John Mason School is a secondary academy in Abingdon, South East. It has not yet been rated by students on y.school. Be the first to rate this academy and help other students and parents understand what the school experience is really like.
In terms of academic performance, John Mason School has a Progress 8 score of -0.52 (below the national average), an Attainment 8 score of 41.1, 53% of students achieving grade 4+ in English and Maths, an average A-Level grade of B-.
The school has a teacher turnover rate of 30.9%, 15% of pupils eligible for free school meals, an overall absence rate of 11.5%.
After leaving John Mason School, student destinations include 61% going on to university and 7% entering apprenticeships.
All student scores on y.school are calculated from anonymous ratings using a transparent, deterministic methodology. Scores are freshness-weighted (18-month half-life) and include confidence tiers based on sample size, diversity, and consistency. For full details, see the y.school methodology.
John Mason School has a Progress 8 score of -0.52, which is below the national average of 0. Progress 8 measures how much progress students make between the end of Key Stage 2 and their GCSE results, compared to students with similar starting points nationally.
The school's Attainment 8 score is 41.1. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
53% of students at John Mason School achieved grade 4 or above in both English and Maths GCSEs.
Students at John Mason School achieve an average A-Level grade of B-. This metric covers all A-Level and equivalent qualifications taken at the school.
John Mason School has an overall absence rate of 11.5%. The national average for secondary schools is approximately 5.5%.
The teacher turnover rate at John Mason School is 30.9%. This measures the percentage of teachers who left the school in the past year.
15% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
After leaving John Mason School, 61% go on to university and 7% enter apprenticeships.
Source: Department for Education, Ofsted. Data shown for context only — does not influence the Student Score.
Data last updated: April 2026
John Mason School was rated "Requires Improvement" by Ofsted following an inspection in December 2024. Based on Ofsted's inspection cycle, John Mason School is due for reinspection this year (2026).
A "Requires Improvement" rating means Ofsted identified areas where the school needs to improve. The school will typically be reinspected within 2 years. Around 12% of schools hold this rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While John Mason School's rating shown above was awarded under the previous system, Ofsted now provides more granular assessments. For the most up-to-date inspection information, check the school's report card on the Ofsted website.
Ofsted data is displayed for context only and does not influence the Student Score. For the official Ofsted report, visit reports.ofsted.gov.uk.
Crime Nearby
140/mo
Within ~1 mile (Police.uk)
Violent Crime
61/mo
44% of total
Air Quality
Good
NO₂: 9.5 µg/m³ · PM2.5: 6.9
Bus Stops
10
Within 500m
Source: Police.uk, DEFRA UK-Air, DfT NaPTAN. Based on the school's location — actual conditions may vary.
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Other schools in the Abingdon area
Source: Department for Education / Ofsted. Data shown for context only — does not influence the Student Score. Small schools may show extreme percentages due to small sample sizes.