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Poole, South West
The Cornerstone Academy is a secondary academy in Poole, South West.
Government data shown for the 2024/25 academic year
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The Cornerstone Academy is a secondary academy in Poole, South West. It has not yet been rated by students on y.school. Be the first to rate this academy and help other students and parents understand what the school experience is really like.
In terms of academic performance, The Cornerstone Academy has a Progress 8 score of -0.03 (below the national average), an Attainment 8 score of 40.7, 59% of students achieving grade 4+ in English and Maths.
The school has 339 pupils on roll, a teacher turnover rate of 17.9%, 20% of pupils eligible for free school meals.
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: 5 of 8 data domains · Good coverage
4.3
Average
/ 10
Data Score
Computed from 12 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.
Latest government data shown is for the 2024/25 academic year; some figures cover earlier years.
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The Cornerstone Academy has a Progress 8 score of -0.03, which is below the national average of 0. Progress 8 measures how much progress students make between the end of Key Stage 2 and their GCSE results, compared to students with similar starting points nationally.
The school's Attainment 8 score is 40.7. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
59% of students at The Cornerstone Academy achieved grade 4 or above in both English and Maths GCSEs.
The teacher turnover rate at The Cornerstone Academy is 17.9%. This measures the percentage of teachers who left the school in the past year.
The Cornerstone Academy has 339 pupils on roll.
20% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
21% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
The Cornerstone Academy was rated "Good" by Ofsted following an inspection in October 2022 (3 years ago). Based on Ofsted's inspection cycle, The Cornerstone Academy is due for reinspection this year (2026).
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 The Cornerstone Academy'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.
Based on the latest government data. Every child is different — use this as a starting point, not a verdict.
In context — vs similar-intake schools
Above par for its intakeThe Cornerstone Academy is in the upper half for Progress 8 among schools with a similar intake (17–24% of pupils eligible for free school meals).
Compared with 697 schools nationally that have a similar share of disadvantaged pupils (17–24% of pupils eligible for free school meals). Raw league-table positions are heavily shaped by intake; this comparison isolates how a school performs relative to others facing similar circumstances. Progress 8 already accounts for prior attainment. Source: Department for Education.
See the schools that most outperform their intakeSchools like this one
Matched on the share of disadvantaged pupils plus special-needs, English-as-an-additional-language and school size — so you can compare like with like, not just by postcode.
National percentiles (100 = best) for the area around the school · 5/5 measures · Police.uk, DEFRA, NaPTAN, DfT STATS19, MHCLG IoD 2025.
Other schools in the Poole area
Ofsted data is shown for context only and does not influence the Student Score. For the official report, visit reports.ofsted.gov.uk.