Largest Schools in Windsor and Maidenhead (2025)
Schools with the most pupils on roll. Ranked by the Success Index (England) from official English data; 65 schools in Windsor and Maidenhead, South East. Rank positions shown on each profile are within England and South East.
- Primary Schools in Windsor and Maidenhead
- Secondary Schools in Windsor and Maidenhead
- State Schools in Windsor and Maidenhead
- Academies & Free Schools in Windsor and Maidenhead
- Independent Schools in Windsor and Maidenhead
- Secondary Schools by Attainment 8 in Windsor and Maidenhead
- Primary Schools by KS2 Results in Windsor and Maidenhead
- Sixth Forms by A Level Results in Windsor and Maidenhead
- 177Charters SchoolAscot · Academy SecondaryPupils: 1,707
- 263Furze Platt Senior SchoolMaidenhead · Academy SecondaryPupils: 1,556
- 323Eton CollegeWindsor · Independent SecondaryPupils: 1,348
- 480Newlands Girls' SchoolMaidenhead · Academy SecondaryPupils: 1,226
- 554Cox Green SchoolMaidenhead · Academy SecondaryPupils: 1,139
- 668The Windsor Boys' SchoolWindsor · Academy SecondaryPupils: 986
- 716Claires Court SchoolsMaidenhead · Independent All-throughPupils: 862
- 831Altwood Church of England SchoolMaidenhead · Academy SecondaryPupils: 846
- 958Windsor Girls' SchoolWindsor · Academy SecondaryPupils: 775
- 1047Churchmead Church of England (VA) SchoolSlough · Local authority SecondaryPupils: 681
- 1183Holyport CollegeHolyport · Academy SecondaryPupils: 660
- 1256Trevelyan Middle SchoolWindsor · Academy SecondaryPupils: 585
- 1360Desborough CollegeMaidenhead · Academy SecondaryPupils: 539
- 1452Dedworth Middle SchoolWindsor · Academy SecondaryPupils: 517
- 1598St Edmund Campion Catholic Primary School and NurseryMaidenhead · Academy PrimaryPupils: 485
- 1666St Edward's Royal Free Ecumenical Middle School, WindsorWindsor · Local authority SecondaryPupils: 482
- 1792Oldfield Primary SchoolMaidenhead · Local authority PrimaryPupils: 419
- 1896The Marist SchoolAscot · Independent All-throughPupils: 401
- 1926St Mary's School AscotAscot · Independent SecondaryPupils: 401
- 2039Riverside Primary School and NurseryMaidenhead · Local authority PrimaryPupils: 368
- 2157Furze Platt Junior SchoolMaidenhead · Local authority PrimaryPupils: 364
- 2239Courthouse Junior SchoolMaidenhead · Local authority PrimaryPupils: 350
- 2399Lowbrook AcademyMaidenhead · Academy PrimaryPupils: 327
- 2427St Luke's CofE Primary SchoolMaidenhead · Academy PrimaryPupils: 327
- 2521Wraysbury Primary SchoolStaines · Local authority PrimaryPupils: 320
- 2620Wessex Primary SchoolMaidenhead · Local authority PrimaryPupils: 320
- 2784Oakfield First SchoolWINDSOR · Academy PrimaryPupils: 287
- 2823St Mary's Catholic Primary School, MaidenheadMaidenhead · Academy PrimaryPupils: 284
- 2986St Edward's Catholic First SchoolWindsor · Local authority PrimaryPupils: 280
- 3072Furze Platt Infant SchoolMaidenhead · Local authority PrimaryPupils: 270
- 3187Clewer Green CofE First SchoolWindsor · Academy PrimaryPupils: 260
- 3287Braywick Court SchoolMaidenhead · Academy PrimaryPupils: 257
- 3345St Peter's Church of England Middle SchoolWindsor · Academy SecondaryPupils: 231
- 3438Holyport CofE Primary SchoolMaidenhead · Academy PrimaryPupils: 217
- 3562Alwyn Infant SchoolMaidenhead · Local authority PrimaryPupils: 213
- 3648Larchfield Primary and Nursery SchoolMaidenhead · Local authority PrimaryPupils: 213
- 3736Datchet St Mary's CofE Primary SchoolSlough · Academy PrimaryPupils: 213
- 3868Holy Trinity CofE Primary School, SunningdaleAscot · Local authority PrimaryPupils: 211
- 3998St Francis Catholic Primary School, South AscotAscot · Academy PrimaryPupils: 210
- 4092Holy Trinity CofE Primary School, CookhamMaidenhead · Local authority PrimaryPupils: 210
- 4158All Saints Church of England Junior SchoolMaidenhead · Academy PrimaryPupils: 208
- 4226St George's SchoolAscot · Independent SecondaryPupils: 208
- 4351Cookham Rise Primary SchoolMaidenhead · Local authority PrimaryPupils: 207
- 4475White Waltham CofE AcademyMaidenhead · Academy PrimaryPupils: 204
- 4572Cookham Dean CofE Primary SchoolMaidenhead · Local authority PrimaryPupils: 199
- 4691Boyne Hill CofE Infant and Nursery SchoolMaidenhead · Local authority PrimaryPupils: 196
- 4729St Michael's CofE Primary School, SunninghillAscot · Local authority PrimaryPupils: 194
- 4846Hilltop First SchoolWindsor · Local authority PrimaryPupils: 177
- 4920Dedworth Green First SchoolWindsor · Academy PrimaryPupils: 171
- 5058Homer First School and NurseryWindsor · Local authority PrimaryPupils: 168
- 5157Cheapside CofE Primary SchoolAscot · Local authority PrimaryPupils: 159
- 5275Waltham St Lawrence Primary SchoolReading · Local authority PrimaryPupils: 148
- 5357South Ascot Village Primary SchoolAscot · Local authority PrimaryPupils: 144
- 5479Eton Porny CofE First SchoolWindsor · Academy PrimaryPupils: 139
- 5595The Queen Anne Royal Free CofE Controlled First SchoolWindsor · Local authority PrimaryPupils: 136
- 5695Trinity St Stephen CofE Aided First SchoolWindsor · Local authority PrimaryPupils: 135
- 5780King's Court First SchoolWindsor · Local authority PrimaryPupils: 134
- 5865Eton Wick CofE First SchoolWindsor · Local authority PrimaryPupils: 132
- 5936Knowl Hill Church of England Primary AcademyReading · Academy PrimaryPupils: 129
- 6097Braywood CofE First SchoolWindsor · Local authority PrimaryPupils: 120
- 6154Alexander First SchoolWindsor · Local authority PrimaryPupils: 118
- 628Woodlands Park Primary SchoolMaidenhead · Academy PrimaryPupils: 111
- 6399The Royal First SchoolWindsor · Local authority PrimaryPupils: 110
- 6426Bisham Church of England AcademyMarlow · Academy PrimaryPupils: 104
- 6596Burchetts Green CofE Infants' SchoolMaidenhead · Academy PrimaryPupils: 64
| # | School | Sector | Pupils | Success Index (England) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Charters School Ascot · Secondary · Ages 11–18 | Academy | 1,707 | 77.2 Top 25% | 51.0 Attainment 8 | 1,707 |
| 2 | Furze Platt Senior School Maidenhead · Secondary · Ages 11–18 | Academy | 1,556 | 63.1 Top 50% | 47.5 Attainment 8 | 1,556 |
| 3 | Eton College Windsor · Secondary · Ages 12–19 | Independent | 1,348 | 23.0 Lower 50% | 24.0 Attainment 8 | 1,348 |
| 4 | Newlands Girls' School Maidenhead · Secondary · Ages 11–18 | Academy | 1,226 | 80.2 Top 25% | 55.6 Attainment 8 | 1,226 |
| 5 | Cox Green School Maidenhead · Secondary · Ages 11–18 | Academy | 1,139 | 53.9 Top 50% | 45.9 Attainment 8 | 1,139 |
| 6 | The Windsor Boys' School Windsor · Secondary · Ages 13–18 | Academy | 986 | 68.4 Top 50% | 47.8 Attainment 8 | 986 |
| 7 | Claires Court Schools Maidenhead · All-through · Ages 2–18 | Independent | 862 | 16.3 Lower 50% | 30.5 Attainment 8 | 862 |
| 8 | Altwood Church of England School Maidenhead · Secondary · Ages 11–18 | Academy | 846 | 31.1 Lower 50% | 40.0 Attainment 8 | 846 |
| 9 | Windsor Girls' School Windsor · Secondary · Ages 13–18 | Academy | 775 | 57.7 Top 50% | 45.7 Attainment 8 | 775 |
| 10 | Churchmead Church of England (VA) School Slough · Secondary · Ages 11–18 | Local authority | 681 | 47.2 Lower 50% | 46.0 Attainment 8 | 681 |
| 11 | Holyport College Holyport · Secondary · Ages 11–19 | Academy | 660 | 82.6 Top 25% | 54.4 Attainment 8 | 660 |
| 12 | Trevelyan Middle School Windsor · Secondary · Ages 9–13 | Academy | 585 | 55.7 Top 50% | 63% KS2 expected standard (RWM) | 585 |
| 13 | Desborough College Maidenhead · Secondary · Ages 11–18 | Academy | 539 | 59.6 Top 50% | 45.7 Attainment 8 | 539 |
| 14 | Dedworth Middle School Windsor · Secondary · Ages 9–13 | Academy | 517 | 51.5 Top 50% | 60% KS2 expected standard (RWM) | 517 |
| 15 | St Edmund Campion Catholic Primary School and Nursery Maidenhead · Primary · Ages 3–11 | Academy | 485 | 98.3 Top 5% | 92% KS2 expected standard (RWM) | 485 |
| 16 | St Edward's Royal Free Ecumenical Middle School, Windsor Windsor · Secondary · Ages 9–13 | Local authority | 482 | 66.4 Top 50% | 61% KS2 expected standard (RWM) | 482 |
| 17 | Oldfield Primary School Maidenhead · Primary · Ages 5–11 | Local authority | 419 | 92.0 Top 5% | 83% KS2 expected standard (RWM) | 419 |
| 18 | The Marist School Ascot · All-through · Ages 2–18 | Independent | 401 | 96.2 Top 5% | 71.9 Attainment 8 | 401 |
| 19 | St Mary's School Ascot Ascot · Secondary · Ages 11–18 | Independent | 401 | 25.9 Lower 50% | 33.9 Attainment 8 | 401 |
| 20 | Riverside Primary School and Nursery Maidenhead · Primary · Ages 3–11 | Local authority | 368 | 39.0 Lower 50% | 56% KS2 expected standard (RWM) | 368 |
| 21 | Furze Platt Junior School Maidenhead · Primary · Ages 7–11 | Local authority | 364 | 56.8 Top 50% | 68% KS2 expected standard (RWM) | 364 |
| 22 | Courthouse Junior School Maidenhead · Primary · Ages 7–11 | Local authority | 350 | 38.5 Lower 50% | 52% KS2 expected standard (RWM) | 350 |
| 23 | Lowbrook Academy Maidenhead · Primary · Ages 5–11 | Academy | 327 | 99.0 Top 5% | 100% KS2 expected standard (RWM) | 327 |
| 24 | St Luke's CofE Primary School Maidenhead · Primary · Ages 3–11 | Academy | 327 | 26.5 Lower 50% | 48% KS2 expected standard (RWM) | 327 |
| 25 | Wraysbury Primary School Staines · Primary · Ages 4–11 | Local authority | 320 | 20.9 Lower 50% | 50% KS2 expected standard (RWM) | 320 |
| 26 | Wessex Primary School Maidenhead · Primary · Ages 4–11 | Local authority | 320 | 20.0 Lower 50% | 44% KS2 expected standard (RWM) | 320 |
| 27 | Oakfield First School WINDSOR · Primary · Ages 5–9 | Academy | 287 | 83.9 Top 25% | – | 287 |
| 28 | St Mary's Catholic Primary School, Maidenhead Maidenhead · Primary · Ages 5–11 | Academy | 284 | 23.0 Lower 50% | 47% KS2 expected standard (RWM) | 284 |
| 29 | St Edward's Catholic First School Windsor · Primary · Ages 5–9 | Local authority | 280 | 85.7 Top 10% | – | 280 |
| 30 | Furze Platt Infant School Maidenhead · Primary · Ages 4–7 | Local authority | 270 | 71.5 Top 25% | – | 270 |
| 31 | Clewer Green CofE First School Windsor · Primary · Ages 5–9 | Academy | 260 | 87.0 Top 10% | – | 260 |
| 32 | Braywick Court School Maidenhead · Primary · Ages 2–11 | Academy | 257 | 87.0 Top 10% | 77% KS2 expected standard (RWM) | 257 |
| 33 | St Peter's Church of England Middle School Windsor · Secondary · Ages 9–13 | Academy | 231 | 44.8 Lower 50% | 58% KS2 expected standard (RWM) | 231 |
| 34 | Holyport CofE Primary School Maidenhead · Primary · Ages 3–11 | Academy | 217 | 37.7 Lower 50% | 53% KS2 expected standard (RWM) | 217 |
| 35 | Alwyn Infant School Maidenhead · Primary · Ages 4–7 | Local authority | 213 | 61.7 Top 50% | – | 213 |
| 36 | Larchfield Primary and Nursery School Maidenhead · Primary · Ages 3–11 | Local authority | 213 | 48.2 Lower 50% | 62% KS2 expected standard (RWM) | 213 |
| 37 | Datchet St Mary's CofE Primary School Slough · Primary · Ages 3–11 | Academy | 213 | 36.4 Lower 50% | 60% KS2 expected standard (RWM) | 213 |
| 38 | Holy Trinity CofE Primary School, Sunningdale Ascot · Primary · Ages 4–11 | Local authority | 211 | 68.0 Top 50% | 81% KS2 expected standard (RWM) | 211 |
| 39 | St Francis Catholic Primary School, South Ascot Ascot · Primary · Ages 4–11 | Academy | 210 | 98.4 Top 5% | 97% KS2 expected standard (RWM) | 210 |
| 40 | Holy Trinity CofE Primary School, Cookham Maidenhead · Primary · Ages 4–11 | Local authority | 210 | 91.7 Top 5% | 79% KS2 expected standard (RWM) | 210 |
| 41 | All Saints Church of England Junior School Maidenhead · Primary · Ages 7–11 | Academy | 208 | 57.7 Top 50% | 69% KS2 expected standard (RWM) | 208 |
| 42 | St George's School Ascot · Secondary · Ages 11–19 | Independent | 208 | 25.9 Lower 50% | 35.8 Attainment 8 | 208 |
| 43 | Cookham Rise Primary School Maidenhead · Primary · Ages 4–11 | Local authority | 207 | 51.3 Top 50% | 67% KS2 expected standard (RWM) | 207 |
| 44 | White Waltham CofE Academy Maidenhead · Primary · Ages 5–11 | Academy | 204 | 74.7 Top 25% | 70% KS2 expected standard (RWM) | 204 |
| 45 | Cookham Dean CofE Primary School Maidenhead · Primary · Ages 5–11 | Local authority | 199 | 71.5 Top 25% | 79% KS2 expected standard (RWM) | 199 |
| 46 | Boyne Hill CofE Infant and Nursery School Maidenhead · Primary · Ages 3–7 | Local authority | 196 | 91.1 Top 5% | – | 196 |
| 47 | St Michael's CofE Primary School, Sunninghill Ascot · Primary · Ages 5–11 | Local authority | 194 | 29.0 Lower 50% | 50% KS2 expected standard (RWM) | 194 |
| 48 | Hilltop First School Windsor · Primary · Ages 4–9 | Local authority | 177 | 45.5 Lower 50% | – | 177 |
| 49 | Dedworth Green First School Windsor · Primary · Ages 3–9 | Academy | 171 | 20.2 Lower 50% | – | 171 |
| 50 | Homer First School and Nursery Windsor · Primary · Ages 3–9 | Local authority | 168 | 58.3 Top 50% | – | 168 |
| 51 | Cheapside CofE Primary School Ascot · Primary · Ages 4–11 | Local authority | 159 | 56.9 Top 50% | 70% KS2 expected standard (RWM) | 159 |
| 52 | Waltham St Lawrence Primary School Reading · Primary · Ages 4–11 | Local authority | 148 | 75.4 Top 25% | 81% KS2 expected standard (RWM) | 148 |
| 53 | South Ascot Village Primary School Ascot · Primary · Ages 4–11 | Local authority | 144 | 56.7 Top 50% | 67% KS2 expected standard (RWM) | 144 |
| 54 | Eton Porny CofE First School Windsor · Primary · Ages 5–9 | Academy | 139 | 78.6 Top 25% | – | 139 |
| 55 | The Queen Anne Royal Free CofE Controlled First School Windsor · Primary · Ages 4–9 | Local authority | 136 | 94.9 Top 5% | – | 136 |
| 56 | Trinity St Stephen CofE Aided First School Windsor · Primary · Ages 5–9 | Local authority | 135 | 94.7 Top 5% | – | 135 |
| 57 | King's Court First School Windsor · Primary · Ages 4–9 | Local authority | 134 | 79.8 Top 25% | – | 134 |
| 58 | Eton Wick CofE First School Windsor · Primary · Ages 3–9 | Local authority | 132 | 65.0 Top 50% | – | 132 |
| 59 | Knowl Hill Church of England Primary Academy Reading · Primary · Ages 5–11 | Academy | 129 | 35.9 Lower 50% | 60% KS2 expected standard (RWM) | 129 |
| 60 | Braywood CofE First School Windsor · Primary · Ages 3–9 | Local authority | 120 | 96.5 Top 5% | – | 120 |
| 61 | Alexander First School Windsor · Primary · Ages 3–9 | Local authority | 118 | 53.7 Top 50% | – | 118 |
| 62 | Woodlands Park Primary School Maidenhead · Primary · Ages 2–11 | Academy | 111 | 7.5 Lower 50% | 20% KS2 expected standard (RWM) | 111 |
| 63 | The Royal First School Windsor · Primary · Ages 4–9 | Local authority | 110 | 98.6 Top 5% | – | 110 |
| 64 | Bisham Church of England Academy Marlow · Primary · Ages 5–11 | Academy | 104 | 25.9 Lower 50% | 55% KS2 expected standard (RWM) | 104 |
| 65 | Burchetts Green CofE Infants' School Maidenhead · Primary · Ages 4–7 | Academy | 64 | 95.6 Top 5% | – | 64 |
Charters School in Ascot leads the 2025 list of largest schools in Windsor and Maidenhead with Pupils 1,707. Of the 65 schools shown, 30 are academy, 30 are local authority, 5 are independent.
For the full picture see the wider South East largest schools league table, every school on the Windsor and Maidenhead page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best largest school in Windsor and Maidenhead?
Charters School in Ascot, South East ranks first among largest schools in Windsor and Maidenhead with Pupils 1,707 (Pupils on roll: 1,707).
How are largest schools in Windsor and Maidenhead ranked?
Schools with the most pupils on roll. Only schools eligible for the Success Index (England) are included; the index is shown alongside for context.
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.