The Windmill School

URN 143758·Not applicable·Free schools special·Barnet Special Education Trust·Compare

Flags

3

2 high

Overall absence at 14.9%Overall absence at 13.7%Workforce pressure indicators
Finance: 2024/25Ofsted: No dataPerformance: 2025/26Workforce: 2025/26Attendance: 2025/26

Per-pupil income

£-8,727.27

2023/24

Staff costs % of income

-510.4%

DfE considers above 78% a concern

Reserves

0.0%

of income

In-year balance

+730.2%

of income

Key indicators

Overall absence at 14.9%

National average is approximately 6.2%. Current level: 14.9%.

Overall absence at 13.7%

National average is approximately 6.2%. Current level: 13.7%.

Workforce pressure indicators

Elevated: vacancy rate 37.7%.

Latest Ofsted inspection

No inspection data available

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.
Basics 9–4 (Eng & Maths)Percentage of pupils achieving grade 4 or above in both English and maths GCSEs.
Basics 9–5 (Eng & Maths)
EBacc entryPercentage of pupils entered for the English Baccalaureate: English, maths, sciences, a language, and history or geography.

2024/25 · KS4

School demographics

Pupils on roll

40

Capacity

90 (44%)

Free school meals

45.0%

English additional lang.

10.0%

Ethnicity

White British 42.5%Asian 5.0%Black 10.0%Mixed 15.0%Chinese 2.5%Other 5.0%

Age range: 519

Workforce

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

6.6

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

6.1

Mean salary

£52,284

Turnover

Vacancy rate

37.7%

Sickness (days)

Attendance

Overall absence

13.7%

National avg: 6.2%

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

51.1%

10%+ sessions missed

Authorised absence

13.7%

Unauthorised absence

0.0%

2024/25 · 47 pupils

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