Workforce & Staffing
Staff composition, teacher turnover, retention, and sickness absence
Key Figures
107.6
Qualified Teachers (FTE)
16.5:1
Pupil:Teacher Ratio
7.7d
Teacher Absence (avg/teacher)
Pupil:Teacher Ratio — History
2024/25
16.5
107.6 FTE
2023/24
16.1
108 FTE
2022/23
15.6
111.5 FTE
2021/22
15.4
115 FTE
2020/21
15.2
114.09 FTE
2019/20
15.4
113.09 FTE
2018/19
16.0
108.49 FTE
National primary average: ~20.9. A higher ratio indicates fewer teachers per pupil.
Staff Retention — Historical View
| Year | Total FTE | Retained | Left Sector | Moved School | Turnover Rate | Stability |
|---|---|---|---|---|---|---|
| 2023/24 | 107 | 85.6 | 10.6 | 10.8 | 20.0% | |
| 2022/23 | 111.5 | 92.7 | 6 | 12.8 | 16.9% | |
| 2021/22 | 115 | 101.8 | 5.6 | 7.6 | 11.5% | |
| 2020/21 | 114.1 | 108.8 | 2.7 | 2.6 | 4.6% | |
| 2019/20 | 113.1 | 104.5 | 4.6 | 4 | 7.6% | |
| 2018/19 | 108.1 | 96.1 | 5 | 7 | 11.1% | |
| 2017/18 | 113.2 | 94.8 | 7 | 11.4 | 16.3% |
Teacher Sickness Absence
Staff Wellbeing — Sickness Data
Teacher absence due to illness
| Year | % Taking Absence | Avg Days (all teachers) |
|---|---|---|
| 2023/24 | 73.4% | 7.7 |
| 2022/23 | 70.3% | 5.0 |
| 2021/22 | 73.8% | 7.1 |
| 2020/21 | 60.8% | 6.1 |
| 2018/19 | 60.5% | 3.3 |
| 2017/18 | 59.1% | 3.5 |
| 2016/17 | 66.7% | 5.7 |
National avg days lost per teacher: ~4.5. Windsor High School and Sixth Form's rate of 7.7 days per teacher is above average.