John Mason School

URN 140580·Secondary·Academy converter·Abingdon Learning Trust·Compare

Flags

3

2 high

Overall absence at 10.7%Overall absence at 11.5%Workforce pressure indicators
Finance: 2024/25Ofsted: May 2019Performance: 2025/26Workforce: 2025/26Attendance: 2025/26

Per-pupil income

£6,961.65

2023/24

Staff costs % of income

72.6%

DfE considers above 78% a concern

Reserves

6.8%

of income

In-year balance

+9.0%

of income

Key indicators

Overall absence at 10.7%

National average is approximately 6.2%. Current level: 10.7%.

Overall absence at 11.5%

National average is approximately 6.2%. Current level: 11.5%.

Workforce pressure indicators

Elevated: turnover 27.7%.

Latest Ofsted inspection

Good

21 May 2019 · Requires Improvement S5 Reinspection Visit 1

Leadership & management

Good
SafeguardingEffective

Performance snapshot

Progress 8Measures how much progress pupils make between KS2 and KS4, compared to pupils with similar starting points. 0 is average; positive means above average.
Attainment 8Average score across 8 GCSE-equivalent subjects. Higher is better. National average is around 46.44.5
Basics 9–4 (Eng & Maths)Percentage of pupils achieving grade 4 or above in both English and maths GCSEs.58.7%
Basics 9–5 (Eng & Maths)41.9%
EBacc entryPercentage of pupils entered for the English Baccalaureate: English, maths, sciences, a language, and history or geography.58.1%

2024/25 · KS4

School demographics

Pupils on roll

995

Capacity

1,040 (96%)

Free school meals

22.5%

English additional lang.

15.1%

Ethnicity

White British 70.5%Asian 6.2%Black 4.4%Mixed 6.0%Chinese 1.4%Other 2.0%

Age range: 1118

Workforce

FTE teachersFull-time equivalent: a measure of workforce size where part-time staff are counted proportionally.

53.3

Pupil:teacher ratioNumber of pupils per full-time equivalent teacher. Lower generally indicates smaller class sizes.

18.7

Mean salary

£52,120

Turnover

Vacancy rate

1.8%

Sickness (days)

Attendance

Overall absence

13.5%

National avg: 6.2%

Persistent absencePupils missing 10% or more of school sessions. A key DfE attendance measure.

31.3%

10%+ sessions missed

Authorised absence

6.8%

Unauthorised absence

6.8%

2024/25 · 898 pupils