Charters School

Secondary · Windsor and Maidenhead · SL5 9QY · URN 138823

Ofsted GoodLast inspected 2023-03-28Cohort 1707Non-selective

Exam results, in full

Every figure below comes straight from the Department for Education performance tables. We show the coverage we hold, how the school compares with its local area and with England, and which part of the score each figure feeds, so you can see exactly how the ranking was built.

Key stage 4 results

GCSE outcomes at the end of Year 11, so they describe a secondary school.

2024-2025 results · cohort 268

3 of 4 headline figures1 figure withheldArea average from 20 schools in Windsor and Maidenhead

Attainment 8 score
The average grade across eight qualifications, including English and maths.
51
Windsor and Maidenhead 37.71England 46.1
13.3 above the area average of 37.7
Overall standards
Progress 8 score
Progress from the same key stage 2 starting points, where 0 is average.
Withheld
Progress from starting points
Grade 5 or above in English and maths
57.1%
Windsor and Maidenhead 32%England 45.9%
25.1 percentage points above the area average of 32
Academic stretch
Grade 4 or above in English and maths
76.5%
Windsor and Maidenhead 43.6%
32.9 percentage points above the area average of 43.6
Overall standards
EBacc average point score
4.62
Windsor and Maidenhead 3.28England 4.07
1.3 above the area average of 3.3
Academic stretch
Achieved the EBacc at grade 5 or above
26.5%
Windsor and Maidenhead 11.3%England 17.6%
15.2 percentage points above the area average of 11.3
Academic stretch
Entered the EBacc subjects
41%
Windsor and Maidenhead 22.7%
18.3 percentage points above the area average of 22.7
Context only, not scored
Disadvantaged pupils in the cohort
12.7%
Windsor and Maidenhead 17.4%
4.7 percentage points below the area average of 17.4
Context only, not scored
Pupils in the results cohort
268
Windsor and Maidenhead 120
148.2 above the area average of 119.8
Context only, not scored

Measure	This school	Against Windsor and Maidenhead	Against national	Feeds
Attainment 8 scoreThe average grade across eight qualifications, including English and maths.	51 Windsor and Maidenhead 37.71England 46.1	13.3 above the area average of 37.7	4.9 above the national figure of 46.1	Overall standards
Progress 8 scoreProgress from the same key stage 2 starting points, where 0 is average.	Withheld	No local comparison	No national comparison	Progress from starting points
Grade 5 or above in English and maths	57.1% Windsor and Maidenhead 32%England 45.9%	25.1 percentage points above the area average of 32	11.2 percentage points above the national figure of 45.9	Academic stretch
Grade 4 or above in English and maths	76.5% Windsor and Maidenhead 43.6%	32.9 percentage points above the area average of 43.6	No national comparison	Overall standards
EBacc average point score	4.62 Windsor and Maidenhead 3.28England 4.07	1.3 above the area average of 3.3	0.5 above the national figure of 4.07	Academic stretch
Achieved the EBacc at grade 5 or above	26.5% Windsor and Maidenhead 11.3%England 17.6%	15.2 percentage points above the area average of 11.3	8.9 percentage points above the national figure of 17.6	Academic stretch
Entered the EBacc subjects	41% Windsor and Maidenhead 22.7%	18.3 percentage points above the area average of 22.7	No national comparison	Context only, not scored
Disadvantaged pupils in the cohort	12.7% Windsor and Maidenhead 17.4%	4.7 percentage points below the area average of 17.4	No national comparison	Context only, not scored
Pupils in the results cohort	268 Windsor and Maidenhead 120	148.2 above the area average of 119.8	No national comparison	Context only, not scored

Withheld figures are suppressed at source to protect small cohorts. Figures marked not published are ones the department no longer publishes for any school. Source: DfE performance tables, Open Government Licence v3.0.

Local authority average class size

Area benchmark

Windsor and Maidenhead · State-funded schools · 2025/26

Secondary classes: 21.3 pupils per class

This is the council-area average, not this school’s class size. It is not used in your scorecard ranking.

Source: DfE school census · 2025/26

Published figures

English as an additional language: 11.7% of pupils
Eligible for free school meals: 11% of pupils
Pupils on SEN support: 12.2% of pupils
Pupils per adult, including teaching assistants: 13pupils per adult
Pupils per teacher (2025/26 staff census): 16.8pupils per teacher
Teachers who stayed the following year (3-year average): 85.6% of teachers

Data last refreshed 2026-10-12. Source: DfE and Ofsted open data, licensed under the Open Government Licence v3.0.

Where it is

Distances are straight-line from the centre of your outward postcode, not a walking or driving route, and never a catchment or admissions prediction.

Nearby secondary schools

Common questions about Charters School

What is the latest Ofsted judgement?: Ofsted rated Charters School Good at its inspection on 28/03/2023.
Where is the school and which authority runs it?: Charters School is a secondary school in Windsor and Maidenhead, postcode SL5 9QY (URN 138823).
How does it compare with other local schools?: Build a free scorecard to rank Charters School against nearby schools using your own priorities for results, attendance, distance and intake, with the source figures shown behind every number.

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