Largest Schools in Slough (2025)
Schools with the most pupils on roll. Ranked by the Success Index (England) from official English data; 45 schools in Slough, South East. Rank positions shown on each profile are within England and South East.
- 153Claycots SchoolSlough · Local authority PrimaryPupils: 1,605
- 298Langley Grammar SchoolLangley · Academy SecondaryPupils: 1,284
- 334The Westgate SchoolSlough · Academy SecondaryPupils: 1,273
- 428Wexham SchoolSlough · Local authority SecondaryPupils: 1,212
- 533Slough and Eton Church of England Business and Enterprise CollegeSlough · Academy SecondaryPupils: 1,196
- 697St Bernard's Catholic Grammar SchoolSlough · Local authority SecondaryPupils: 1,178
- 797Upton Court Grammar SchoolSlough · Academy SecondaryPupils: 1,155
- 868The Langley AcademySlough · Academy SecondaryPupils: 1,152
- 954Ditton Park AcademySlough · Academy SecondaryPupils: 1,131
- 1097Herschel Grammar SchoolSlough · Academy SecondaryPupils: 1,062
- 1140Cippenham SchoolSlough · Academy PrimaryPupils: 998
- 1227Grove AcademySlough · Academy All-throughPupils: 990
- 1364St Joseph's Catholic High SchoolSlough · Academy SecondaryPupils: 988
- 1461Baylis Court SchoolSlough · Academy SecondaryPupils: 921
- 1579Montem AcademySlough · Academy PrimaryPupils: 901
- 1624Lynch Hill Enterprise AcademySlough · Academy SecondaryPupils: 863
- 1717Beechwood SchoolSlough · Academy SecondaryPupils: 838
- 1865Lynch Hill School Primary AcademySlough · Academy PrimaryPupils: 832
- 1979Marish Primary SchoolSlough · Academy PrimaryPupils: 763
- 2079James Elliman AcademySlough · Academy PrimaryPupils: 687
- 2177Penn Wood Primary and Nursery SchoolSlough · Local authority PrimaryPupils: 684
- 2285Western House AcademySlough · Academy PrimaryPupils: 679
- 2358The Langley Academy PrimarySlough · Academy PrimaryPupils: 679
- 2450St Mary's Church of England Primary SchoolSlough · Local authority PrimaryPupils: 675
- 2556Ryvers SchoolSlough · Academy PrimaryPupils: 668
- 2662Langley Hall Primary AcademyLangley · Academy PrimaryPupils: 646
- 2757Wexham Court Primary SchoolSlough · Local authority PrimaryPupils: 636
- 2887Iqra Slough Islamic Primary SchoolSlough · Local authority PrimaryPupils: 624
- 2981Eden Girls' School, SloughSlough · Academy SecondaryPupils: 613
- 3029Priory SchoolSlough · Local authority PrimaryPupils: 591
- 3189Khalsa Primary SchoolSlough · Academy PrimaryPupils: 529
- 3261The Langley Heritage PrimarySlough · Academy PrimaryPupils: 512
- 3381Holy Family Catholic Primary SchoolSlough · Academy PrimaryPupils: 475
- 3442St Anthony's Catholic Primary SchoolSlough · Academy PrimaryPupils: 470
- 3573Willow Primary SchoolSlough · Academy PrimaryPupils: 454
- 3677Castleview Primary SchoolSlough · Academy PrimaryPupils: 453
- 3734St Ethelbert's Catholic Primary SchoolSlough · Academy PrimaryPupils: 415
- 3877The Godolphin Junior AcademySlough · Academy PrimaryPupils: 413
- 3966Our Lady of Peace Catholic Primary and Nursery SchoolSlough · Local authority PrimaryPupils: 395
- 4038Phoenix Infant AcademySlough · Academy PrimaryPupils: 262
- 4163Colnbrook Church of England Primary SchoolColnbrook · Academy PrimaryPupils: 235
- 4217Foxborough Primary SchoolSlough · Academy PrimaryPupils: 220
- 4392Long Close SchoolSlough · Independent All-throughPupils: 183
- 4492Al-Madani Independent Grammar SchoolSlough · Independent SecondaryPupils: 94
- 4594Al-Madani Girls SchoolSlough · Independent SecondaryPupils: 64
| # | School | Sector | Pupils | Success Index (England) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Claycots School Slough · Primary · Ages 3–11 | Local authority | 1,605 | 52.6 Top 50% | 63% KS2 expected standard (RWM) | 1,605 |
| 2 | Langley Grammar School Langley · Secondary · Ages 11–18 | Academy | 1,284 | 97.9 Top 5% | 77.6 Attainment 8 | 1,284 |
| 3 | The Westgate School Slough · Secondary · Ages 11–18 | Academy | 1,273 | 34.0 Lower 50% | 40.6 Attainment 8 | 1,273 |
| 4 | Wexham School Slough · Secondary · Ages 11–19 | Local authority | 1,212 | 28.4 Lower 50% | 39.3 Attainment 8 | 1,212 |
| 5 | Slough and Eton Church of England Business and Enterprise College Slough · Secondary · Ages 11–18 | Academy | 1,196 | 32.6 Lower 50% | 42.1 Attainment 8 | 1,196 |
| 6 | St Bernard's Catholic Grammar School Slough · Secondary · Ages 11–18 | Local authority | 1,178 | 96.6 Top 5% | 77.3 Attainment 8 | 1,178 |
| 7 | Upton Court Grammar School Slough · Secondary · Ages 11–18 | Academy | 1,155 | 97.0 Top 5% | 79.9 Attainment 8 | 1,155 |
| 8 | The Langley Academy Slough · Secondary · Ages 11–18 | Academy | 1,152 | 68.1 Top 50% | 52.4 Attainment 8 | 1,152 |
| 9 | Ditton Park Academy Slough · Secondary · Ages 11–19 | Academy | 1,131 | 53.5 Top 50% | 47.4 Attainment 8 | 1,131 |
| 10 | Herschel Grammar School Slough · Secondary · Ages 11–18 | Academy | 1,062 | 96.7 Top 5% | 75.8 Attainment 8 | 1,062 |
| 11 | Cippenham School Slough · Primary · Ages 4–11 | Academy | 998 | 40.4 Lower 50% | 59% KS2 expected standard (RWM) | 998 |
| 12 | Grove Academy Slough · All-through · Ages 4–19 | Academy | 990 | 27.1 Lower 50% | 41.1 Attainment 8 | 990 |
| 13 | St Joseph's Catholic High School Slough · Secondary · Ages 11–18 | Academy | 988 | 63.8 Top 50% | 50.1 Attainment 8 | 988 |
| 14 | Baylis Court School Slough · Secondary · Ages 11–18 | Academy | 921 | 60.6 Top 50% | 51.7 Attainment 8 | 921 |
| 15 | Montem Academy Slough · Primary · Ages 3–11 | Academy | 901 | 79.2 Top 25% | 79% KS2 expected standard (RWM) | 901 |
| 16 | Lynch Hill Enterprise Academy Slough · Secondary · Ages 11–18 | Academy | 863 | 23.7 Lower 50% | 38.3 Attainment 8 | 863 |
| 17 | Beechwood School Slough · Secondary · Ages 11–18 | Academy | 838 | 16.9 Lower 50% | 36.0 Attainment 8 | 838 |
| 18 | Lynch Hill School Primary Academy Slough · Primary · Ages 3–11 | Academy | 832 | 64.9 Top 50% | 77% KS2 expected standard (RWM) | 832 |
| 19 | Marish Primary School Slough · Primary · Ages 3–11 | Academy | 763 | 79.1 Top 25% | 77% KS2 expected standard (RWM) | 763 |
| 20 | James Elliman Academy Slough · Primary · Ages 3–11 | Academy | 687 | 79.3 Top 25% | 80% KS2 expected standard (RWM) | 687 |
| 21 | Penn Wood Primary and Nursery School Slough · Primary · Ages 3–11 | Local authority | 684 | 76.7 Top 25% | 83% KS2 expected standard (RWM) | 684 |
| 22 | Western House Academy Slough · Primary · Ages 3–11 | Academy | 679 | 85.4 Top 10% | 85% KS2 expected standard (RWM) | 679 |
| 23 | The Langley Academy Primary Slough · Primary · Ages 3–11 | Academy | 679 | 58.3 Top 50% | 61% KS2 expected standard (RWM) | 679 |
| 24 | St Mary's Church of England Primary School Slough · Primary · Ages 3–11 | Local authority | 675 | 49.6 Lower 50% | 71% KS2 expected standard (RWM) | 675 |
| 25 | Ryvers School Slough · Primary · Ages 3–11 | Academy | 668 | 55.5 Top 50% | 64% KS2 expected standard (RWM) | 668 |
| 26 | Langley Hall Primary Academy Langley · Primary · Ages 4–11 | Academy | 646 | 62.1 Top 50% | 68% KS2 expected standard (RWM) | 646 |
| 27 | Wexham Court Primary School Slough · Primary · Ages 3–11 | Local authority | 636 | 57.0 Top 50% | 68% KS2 expected standard (RWM) | 636 |
| 28 | Iqra Slough Islamic Primary School Slough · Primary · Ages 4–11 | Local authority | 624 | 87.1 Top 10% | 90% KS2 expected standard (RWM) | 624 |
| 29 | Eden Girls' School, Slough Slough · Secondary · Ages 11–18 | Academy | 613 | 80.8 Top 25% | 59.4 Attainment 8 | 613 |
| 30 | Priory School Slough · Primary · Ages 3–11 | Local authority | 591 | 29.1 Lower 50% | 49% KS2 expected standard (RWM) | 591 |
| 31 | Khalsa Primary School Slough · Primary · Ages 3–11 | Academy | 529 | 89.1 Top 10% | 86% KS2 expected standard (RWM) | 529 |
| 32 | The Langley Heritage Primary Slough · Primary · Ages 2–11 | Academy | 512 | 60.5 Top 50% | 73% KS2 expected standard (RWM) | 512 |
| 33 | Holy Family Catholic Primary School Slough · Primary · Ages 2–11 | Academy | 475 | 80.6 Top 25% | 77% KS2 expected standard (RWM) | 475 |
| 34 | St Anthony's Catholic Primary School Slough · Primary · Ages 2–11 | Academy | 470 | 42.4 Lower 50% | 55% KS2 expected standard (RWM) | 470 |
| 35 | Willow Primary School Slough · Primary · Ages 3–11 | Academy | 454 | 72.9 Top 25% | 78% KS2 expected standard (RWM) | 454 |
| 36 | Castleview Primary School Slough · Primary · Ages 3–11 | Academy | 453 | 77.1 Top 25% | 70% KS2 expected standard (RWM) | 453 |
| 37 | St Ethelbert's Catholic Primary School Slough · Primary · Ages 3–11 | Academy | 415 | 34.1 Lower 50% | 47% KS2 expected standard (RWM) | 415 |
| 38 | The Godolphin Junior Academy Slough · Primary · Ages 7–11 | Academy | 413 | 77.0 Top 25% | 83% KS2 expected standard (RWM) | 413 |
| 39 | Our Lady of Peace Catholic Primary and Nursery School Slough · Primary · Ages 3–11 | Local authority | 395 | 66.4 Top 50% | 74% KS2 expected standard (RWM) | 395 |
| 40 | Phoenix Infant Academy Slough · Primary · Ages 5–7 | Academy | 262 | 38.4 Lower 50% | – | 262 |
| 41 | Colnbrook Church of England Primary School Colnbrook · Primary · Ages 3–11 | Academy | 235 | 63.1 Top 50% | 73% KS2 expected standard (RWM) | 235 |
| 42 | Foxborough Primary School Slough · Primary · Ages 3–11 | Academy | 220 | 16.7 Lower 50% | 43% KS2 expected standard (RWM) | 220 |
| 43 | Long Close School Slough · All-through · Ages 2–16 | Independent | 183 | 92.4 Top 5% | 60.4 Attainment 8 | 183 |
| 44 | Al-Madani Independent Grammar School Slough · Secondary · Ages 11–16 | Independent | 94 | 91.6 Top 10% | 58.8 Attainment 8 | 94 |
| 45 | Al-Madani Girls School Slough · Secondary · Ages 11–16 | Independent | 64 | 93.5 Top 5% | 62.7 Attainment 8 | 64 |
Claycots School in Slough leads the 2025 list of largest schools in Slough with Pupils 1,605. Of the 45 schools shown, 33 are academy, 9 are local authority, 3 are independent.
For the full picture see the wider South East largest schools league table, every school on the Slough 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 Slough?
Claycots School in Slough, South East ranks first among largest schools in Slough with Pupils 1,605 (Pupils on roll: 1,605).
How are largest schools in Slough 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.