South East boys' schools league table 2025: top 37
Single-sex boys' schools. Ranked by the Success Index (England) from official English data; 37 schools shown.
- 199Reading SchoolReading · Academy Secondary83.0 Attainment 8 · 1,138 students
- 299The Judd SchoolTonbridge · Local authority Secondary78.4 Attainment 8 · 1,541 students
- 398Dartford Grammar SchoolDartford · Academy Secondary79.9 Attainment 8 · 1,576 students
- 498Dr Challoner's Grammar SchoolAmersham · Academy Secondary73.9 Attainment 8 · 1,384 students
- 598The Royal Grammar School, High WycombeHigh Wycombe · Academy Secondary73.9 Attainment 8 · 1,451 students
- 697John Hampden Grammar SchoolHigh Wycombe · Academy Secondary72.3 Attainment 8 · 1,281 students
- 796The Skinners' SchoolTunbridge Wells · Academy Secondary70.8 Attainment 8 · 1,149 students
- 896Aylesbury Grammar SchoolAylesbury · Academy Secondary74.5 Attainment 8 · 1,346 students
- 995Sir Joseph Williamson's Mathematical SchoolRochester · Academy Secondary69.5 Attainment 8 · 1,555 students
- 1094Oakwood Park Grammar SchoolMaidstone · Academy Secondary68.9 Attainment 8 · 1,100 students
- 1194Maidstone Grammar SchoolMaidstone · Local authority Secondary68.4 Attainment 8 · 1,443 students
- 1293Simon Langton Grammar School for BoysCanterbury · Local authority Secondary66.8 Attainment 8 · 1,226 students
- 1393Tunbridge Wells Grammar School for BoysTunbridge Wells · Local authority Secondary63.7 Attainment 8 · 1,875 students
- 1492Gravesend Grammar SchoolGravesend · Academy Secondary65.3 Attainment 8 · 1,495 students
- 1592Al-Madani Independent Grammar SchoolSlough · Independent Secondary58.8 Attainment 8 · 94 students
- 1690Baytul Ilm Secondary SchoolBletchley · Independent Secondary56.8 Attainment 8 · 82 students
- 1790The Norton Knatchbull SchoolAshford · Academy Secondary67.3 Attainment 8 · 1,348 students
- 1888Wilmington Grammar School for BoysDartford · Academy Secondary64.6 Attainment 8 · 1,174 students
- 1988Borden Grammar SchoolSittingbourne · Academy Secondary63.2 Attainment 8 · 938 students
- 2087Holcombe Grammar SchoolChatham · Academy Secondary62.4 Attainment 8 · 1,060 students
- 2186Thorpe House SchoolGerrards Cross · Independent All-through55.4 Attainment 8 · 267 students
- 2285St James Senior Boys' SchoolAshford · Independent Secondary58.0 Attainment 8 · 244 students
- 2385The Harvey Grammar SchoolFolkestone · Academy Secondary61.8 Attainment 8 · 1,005 students
- 2484Glyn SchoolEpsom · Academy Secondary56.0 Attainment 8 · 1,723 students
- 2579Dover Grammar School for BoysDover · Local authority Secondary65.4 Attainment 8 · 960 students
- 2669St Birinus SchoolDidcot · Academy Secondary48.2 Attainment 8 · 1,237 students
- 2768The Windsor Boys' SchoolWindsor · Academy Secondary47.8 Attainment 8 · 986 students
- 2860Desborough CollegeMaidenhead · Academy Secondary45.7 Attainment 8 · 539 students
- 2943The Howard SchoolGillingham · Academy Secondary45.2 Attainment 8 · 1,471 students
- 3028Halliford SchoolShepperton · Independent Secondary39.6 Attainment 8 · 513 students
- 3128Radley CollegeOxfordshire · Independent Secondary36.0 Attainment 8 · 769 students
- 3225Royal Grammar School GuildfordGuildford · Independent All-through30.6 Attainment 8 · 1,325 students
- 3323Eton CollegeWindsor · Independent Secondary24.0 Attainment 8 · 1,348 students
- 3421Northfleet Technology CollegeGravesend · Local authority Secondary35.7 Attainment 8 · 974 students
- 3520Tonbridge SchoolTonbridge · Independent Secondary7.8 Attainment 8 · 797 students
- 3616Greenacre SchoolChatham · Academy Secondary29.8 Attainment 8 · 747 students
- 377Slindon CollegeArundel · Independent All-through18.0 Attainment 8 · 103 students
| # | School | Sector | Success Index (England) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Reading School Reading · Secondary · Ages 11–18 | Academy | 99.2 Top 5% | 83.0 Attainment 8 | 1,138 |
| 2 | The Judd School Tonbridge · Secondary · Ages 11–18 | Local authority | 98.8 Top 5% | 78.4 Attainment 8 | 1,541 |
| 3 | Dartford Grammar School Dartford · Secondary · Ages 11–18 | Academy | 98.1 Top 5% | 79.9 Attainment 8 | 1,576 |
| 4 | Dr Challoner's Grammar School Amersham · Secondary · Ages 11–18 | Academy | 98.1 Top 5% | 73.9 Attainment 8 | 1,384 |
| 5 | The Royal Grammar School, High Wycombe High Wycombe · Secondary · Ages 11–18 | Academy | 97.6 Top 5% | 73.9 Attainment 8 | 1,451 |
| 6 | John Hampden Grammar School High Wycombe · Secondary · Ages 11–18 | Academy | 96.6 Top 5% | 72.3 Attainment 8 | 1,281 |
| 7 | The Skinners' School Tunbridge Wells · Secondary · Ages 11–18 | Academy | 96.2 Top 5% | 70.8 Attainment 8 | 1,149 |
| 8 | Aylesbury Grammar School Aylesbury · Secondary · Ages 11–18 | Academy | 96.1 Top 5% | 74.5 Attainment 8 | 1,346 |
| 9 | Sir Joseph Williamson's Mathematical School Rochester · Secondary · Ages 11–18 | Academy | 94.5 Top 5% | 69.5 Attainment 8 | 1,555 |
| 10 | Oakwood Park Grammar School Maidstone · Secondary · Ages 11–18 | Academy | 93.7 Top 5% | 68.9 Attainment 8 | 1,100 |
| 11 | Maidstone Grammar School Maidstone · Secondary · Ages 11–18 | Local authority | 93.5 Top 5% | 68.4 Attainment 8 | 1,443 |
| 12 | Simon Langton Grammar School for Boys Canterbury · Secondary · Ages 11–18 | Local authority | 93.2 Top 5% | 66.8 Attainment 8 | 1,226 |
| 13 | Tunbridge Wells Grammar School for Boys Tunbridge Wells · Secondary · Ages 11–18 | Local authority | 93.0 Top 5% | 63.7 Attainment 8 | 1,875 |
| 14 | Gravesend Grammar School Gravesend · Secondary · Ages 11–18 | Academy | 92.3 Top 10% | 65.3 Attainment 8 | 1,495 |
| 15 | Al-Madani Independent Grammar School Slough · Secondary · Ages 11–16 | Independent | 91.6 Top 10% | 58.8 Attainment 8 | 94 |
| 16 | Baytul Ilm Secondary School Bletchley · Secondary · Ages 11–16 | Independent | 90.3 Top 10% | 56.8 Attainment 8 | 82 |
| 17 | The Norton Knatchbull School Ashford · Secondary · Ages 11–18 | Academy | 89.9 Top 10% | 67.3 Attainment 8 | 1,348 |
| 18 | Wilmington Grammar School for Boys Dartford · Secondary · Ages 11–18 | Academy | 87.9 Top 10% | 64.6 Attainment 8 | 1,174 |
| 19 | Borden Grammar School Sittingbourne · Secondary · Ages 11–18 | Academy | 87.8 Top 10% | 63.2 Attainment 8 | 938 |
| 20 | Holcombe Grammar School Chatham · Secondary · Ages 11–18 | Academy | 86.5 Top 10% | 62.4 Attainment 8 | 1,060 |
| 21 | Thorpe House School Gerrards Cross · All-through · Ages 3–18 | Independent | 86.4 Top 10% | 55.4 Attainment 8 | 267 |
| 22 | St James Senior Boys' School Ashford · Secondary · Ages 11–18 | Independent | 85.4 Top 25% | 58.0 Attainment 8 | 244 |
| 23 | The Harvey Grammar School Folkestone · Secondary · Ages 11–18 | Academy | 84.9 Top 25% | 61.8 Attainment 8 | 1,005 |
| 24 | Glyn School Epsom · Secondary · Ages 11–18 | Academy | 83.5 Top 25% | 56.0 Attainment 8 | 1,723 |
| 25 | Dover Grammar School for Boys Dover · Secondary · Ages 11–18 | Local authority | 78.8 Top 25% | 65.4 Attainment 8 | 960 |
| 26 | St Birinus School Didcot · Secondary · Ages 11–18 | Academy | 68.9 Top 50% | 48.2 Attainment 8 | 1,237 |
| 27 | The Windsor Boys' School Windsor · Secondary · Ages 13–18 | Academy | 68.4 Top 50% | 47.8 Attainment 8 | 986 |
| 28 | Desborough College Maidenhead · Secondary · Ages 11–18 | Academy | 59.6 Top 50% | 45.7 Attainment 8 | 539 |
| 29 | The Howard School Gillingham · Secondary · Ages 11–18 | Academy | 42.5 Lower 50% | 45.2 Attainment 8 | 1,471 |
| 30 | Halliford School Shepperton · Secondary · Ages 11–19 | Independent | 28.4 Lower 50% | 39.6 Attainment 8 | 513 |
| 31 | Radley College Oxfordshire · Secondary · Ages 13–18 | Independent | 27.9 Lower 50% | 36.0 Attainment 8 | 769 |
| 32 | Royal Grammar School Guildford Guildford · All-through · Ages 3–18 | Independent | 24.6 Lower 50% | 30.6 Attainment 8 | 1,325 |
| 33 | Eton College Windsor · Secondary · Ages 12–19 | Independent | 23.0 Lower 50% | 24.0 Attainment 8 | 1,348 |
| 34 | Northfleet Technology College Gravesend · Secondary · Ages 11–18 | Local authority | 20.5 Lower 50% | 35.7 Attainment 8 | 974 |
| 35 | Tonbridge School Tonbridge · Secondary · Ages 13–18 | Independent | 20.4 Lower 50% | 7.8 Attainment 8 | 797 |
| 36 | Greenacre School Chatham · Secondary · Ages 11–18 | Academy | 16.1 Lower 50% | 29.8 Attainment 8 | 747 |
| 37 | Slindon College Arundel · All-through · Ages 8–18 | Independent | 7.1 Lower 50% | 18.0 Attainment 8 | 103 |
Reading School in Reading leads the 2025 list of boys' schools in South East with a Success Index (England) of 99.2. Of the 37 schools shown, 21 are academy, 10 are independent, 6 are local authority.
Scores are percentiles within school type, so a primary school and a secondary school with the same score sit at the same point in their own distributions. Use the rankings to build a shortlist, then visit the schools and ask how they support students at your child's level.
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Frequently asked questions
What is the best boys school in South East?
Reading School in Reading ranks first among boys' schools in South East with a Success Index (England) of 99.2 out of 100 (Pupils on roll: 1,138).
How are boys' schools in South East ranked?
Each school's Success Index (England) combines 9 factors: ks2: reading, writing & maths expected standard (35%), ks2: higher standard (20%), ks2: reading progress (10%), ks2: maths progress (10%), progress 8 (20%), attainment 8 (30%), grade 5+ in english & maths (15%), a level points per entry (10%), community advantage (fewer pupils on free school meals) (15%). Each factor is a percentile against schools of the same type across England. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official English data (DfE – Get Information About Schools; DfE – Compare school and college performance). Independent schools rarely appear in the performance tables, so most receive no attainment components and no score.