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Gillingham, South East
Rainham Mark Grammar School is a secondary academy in Gillingham, South East.
Government data shown for the 2024/25 academic year
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Rainham Mark Grammar School is a secondary academy in Gillingham, 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, Rainham Mark Grammar School has a Progress 8 score of +0.28 (above the national average), an Attainment 8 score of 63.4, 98% of students achieving grade 4+ in English and Maths, an average A-Level grade of B.
The school has 709 pupils on roll, a teacher turnover rate of 19.1%, 8% of pupils eligible for free school meals, an overall absence rate of 6.7%.
After leaving Rainham Mark Grammar School, student destinations include 60% going on to university and 10% 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: 6 of 8 data domains · Good coverage
7.3
Good
/ 10
Data Score
Computed from 26 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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Rainham Mark Grammar School has a Progress 8 score of +0.28, 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 63.4. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
98% of students at Rainham Mark Grammar School achieved grade 4 or above in both English and Maths GCSEs.
Students at Rainham Mark Grammar School achieve an average A-Level grade of B. This metric covers all A-Level and equivalent qualifications taken at the school.
Rainham Mark Grammar School has an overall absence rate of 6.7%. The national average for secondary schools was approximately 8.5% (DfE, 2023/24).
The teacher turnover rate at Rainham Mark Grammar School is 19.1%. This measures the percentage of teachers who left the school in the past year.
Rainham Mark Grammar School has 709 pupils on roll.
8% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
5% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
After leaving Rainham Mark Grammar School, 60% go on to university and 10% enter apprenticeships.
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
Below par for its intakeRainham Mark Grammar School's Progress 8 of +0.28 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.
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 Gillingham area
Rainham Mark Grammar School was rated "Good" by Ofsted following an inspection in May 2022 (4 years ago). Based on Ofsted's inspection cycle, Rainham Mark Grammar School 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 Rainham Mark 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 shown for context only and does not influence the Student Score. For the official report, visit reports.ofsted.gov.uk.