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Belvedere, London
Cornerstone School is a secondary special school in Belvedere, London.
Government data shown for the 2024/25 academic year
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Cornerstone School is a secondary special school in Belvedere, London. It has not yet been rated by students on y.school. Be the first to rate this special school and help other students and parents understand what the school experience is really like.
The school has 31 pupils on roll, a teacher turnover rate of 25.0%, 27% of pupils eligible for free school meals, an overall absence rate of 21.0%.
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.
Profile completeness: 4 of 8 data domains · Partial coverage
6.2
Above Average
/ 10
Data Score
Computed from 14 government data points. Not based on student reviews.
Source: DfE / Ofsted · context onlyGovernment data is shown for context and does not influence the student-review Student Score. Small schools can show extreme percentages from small sample sizes.
Special school data note
Special schools serve pupils with specific needs and follow adapted curricula. Standard exam metrics like Attainment 8 may not reflect the school's educational quality or the progress pupils actually make.
Latest government data shown is for the 2024/25 academic year; some figures cover earlier years.
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Cornerstone School has an overall absence rate of 21.0%. The national average for secondary schools was approximately 8.5% (DfE, 2023/24).
The teacher turnover rate at Cornerstone School is 25.0%. This measures the percentage of teachers who left the school in the past year.
Cornerstone School has 31 pupils on roll.
27% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
100% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
Cornerstone School was rated "Good" by Ofsted following an inspection in June 2024. Based on Ofsted's inspection cycle, Cornerstone School is next inspection expected around 2028.
A "Good" rating means Ofsted found the school provides a high standard of education across all areas assessed. It has historically been the most common Ofsted rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While Cornerstone 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 shown for context only and does not influence the Student Score. For the official report, visit reports.ofsted.gov.uk.
Based on the latest government data. Every child is different — use this as a starting point, not a verdict.
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National percentiles (100 = best) for the area around the school · 5/5 measures · Police.uk, DEFRA, NaPTAN, DfT STATS19, MHCLG IoD 2025.
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