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Marlborough, South West
St John's Marlborough is a secondary academy in Marlborough, South West.
Government data shown for the 2024/25 academic year
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St John's Marlborough is a secondary academy in Marlborough, 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, St John's Marlborough has a Progress 8 score of +0.36 (above the national average), an Attainment 8 score of 53.4, 81% of students achieving grade 4+ in English and Maths, an average A-Level grade of B-.
The school has 870 pupils on roll, a teacher turnover rate of 16.1%, 8% of pupils eligible for free school meals, an overall absence rate of 9.6%.
After leaving St John's Marlborough, student destinations include 40% 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.
Profile completeness: 5 of 8 data domains · Good coverage
6.6
Above Average
/ 10
Data Score
Computed from 21 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 area around this school
St John's Marlborough has a Progress 8 score of +0.36, 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 53.4. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
81% of students at St John's Marlborough achieved grade 4 or above in both English and Maths GCSEs.
Students at St John's Marlborough achieve an average A-Level grade of B-. This metric covers all A-Level and equivalent qualifications taken at the school.
St John's Marlborough has an overall absence rate of 9.6%. The national average for secondary schools was approximately 8.5% (DfE, 2023/24).
The teacher turnover rate at St John's Marlborough is 16.1%. This measures the percentage of teachers who left the school in the past year.
St John's Marlborough has 870 pupils on roll.
8% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
14% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
After leaving St John's Marlborough, 40% go on to university and 2% enter apprenticeships.
In context — vs similar-intake schools
Below par for its intakeSt John's Marlborough's Progress 8 of +0.36 looks strong against the national average, but for its intake (0–11% of pupils eligible for free school meals) it sits in the lower half of comparable schools.
Compared with 698 schools nationally that have a similar share of disadvantaged pupils (0–11% 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.
Schools 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 Marlborough area