SW
Sir William Borlase's Grammar School
Marlow·South East·Academy
SecondaryAcademyAges 11–18Co-edNone
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Sir William Borlase's Grammar School is a secondary academy in Marlow, South East. 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, Sir William Borlase's Grammar School has a Progress 8 score of +0.56 (above the national average), an Attainment 8 score of 73.8, 99% of students achieving grade 4+ in English and Maths, an average A-Level grade of B+.
The school has 1,205 pupils on roll, a teacher turnover rate of 3.6%, 1% of pupils eligible for free school meals, an overall absence rate of 6.1%.
After leaving Sir William Borlase's Grammar School, student destinations include 71% going on to university and 2% entering apprenticeships.
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.
Sir William Borlase's Grammar School has a Progress 8 score of +0.56, which is above 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 73.8. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
99% of students at Sir William Borlase's Grammar School achieved grade 4 or above in both English and Maths GCSEs.
Students at Sir William Borlase's Grammar School achieve an average A-Level grade of B+. This metric covers all A-Level and equivalent qualifications taken at the school.
Sir William Borlase's Grammar School has an overall absence rate of 6.1%. The national average for secondary schools is approximately 5.5%.
The teacher turnover rate at Sir William Borlase's Grammar School is 3.6%. This measures the percentage of teachers who left the school in the past year.
Sir William Borlase's Grammar School has 1,205 pupils on roll.
1% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
After leaving Sir William Borlase's Grammar School, 71% go on to university and 2% enter apprenticeships.
Source: Department for Education, Ofsted. Data shown for context only — does not influence the Student Score.
Data last updated: April 2026
Sir William Borlase's Grammar School was rated "Outstanding" by Ofsted following an inspection in May 2024. Based on Ofsted's inspection cycle, Sir William Borlase's Grammar School is next inspection expected around 2028.
An "Outstanding" rating means Ofsted found the quality of education, behaviour, personal development, and leadership to all be of the highest standard. Only around 18% of schools in England hold this rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While Sir William Borlase's Grammar 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 displayed for context only and does not influence the Student Score. For the official Ofsted report, visit reports.ofsted.gov.uk.
Crime Nearby
29/mo
Within ~1 mile (Police.uk)
Violent Crime
6/mo
21% of total
Air Quality
Good
NO₂: 9.1 µg/m³ · PM2.5: 7
Bus Stops
8
Within 500m
Source: Police.uk, DEFRA UK-Air, DfT NaPTAN. Based on the school's location — actual conditions may vary.
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Other schools in the Marlow area
Quality of Education
Outstanding
Behaviour & Attitudes
Outstanding
Personal Development
Outstanding
Leadership & Management
Outstanding
Source: Department for Education / Ofsted. Data shown for context only — does not influence the Student Score. Small schools may show extreme percentages due to small sample sizes.