Largest Schools in Harrow (2025)
Schools with the most pupils on roll. Ranked by the Success Index (England) from official English data; 57 schools in Harrow, London. Rank positions shown on each profile are within England and London.
- 184Nower Hill High SchoolPinner · Academy SecondaryPupils: 2,030
- 270Whitmore High SchoolHarrow · Local authority SecondaryPupils: 1,724
- 357Park High SchoolStanmore · Academy SecondaryPupils: 1,475
- 427Whitefriars SchoolHarrow · Academy All-throughPupils: 1,419
- 573Bentley Wood High SchoolStanmore · Academy SecondaryPupils: 1,393
- 640Hatch End High SchoolHarrow · Academy SecondaryPupils: 1,226
- 792Avanti House SchoolStanmore · Academy SecondaryPupils: 1,206
- 831Rooks Heath SchoolHarrow · Academy SecondaryPupils: 1,148
- 931Canons High SchoolEdgware · Academy SecondaryPupils: 1,139
- 1022North London Collegiate SchoolMiddlesex · Independent All-throughPupils: 1,130
- 1183Pinner High SchoolPinner · Academy SecondaryPupils: 1,111
- 1255Harrow High SchoolHarrow · Academy SecondaryPupils: 982
- 1384Priestmead Primary School and NurseryHarrow · Academy PrimaryPupils: 877
- 1473Pinner Park Primary SchoolPinner · Local authority PrimaryPupils: 858
- 1567Stag Lane Primary SchoolEdgware · Local authority PrimaryPupils: 855
- 1623Harrow SchoolHarrow-on-the-Hill · Independent SecondaryPupils: 833
- 1751Elmgrove Primary School & NurseryHarrow · Local authority PrimaryPupils: 805
- 1874Salvatorian Roman Catholic CollegeHarrow · Academy SecondaryPupils: 802
- 1970Whitchurch Primary School & NurseryStanmore · Local authority PrimaryPupils: 797
- 2018The John Lyon SchoolHarrow-on-the-Hill · Independent All-throughPupils: 781
- 2182The Sacred Heart Language CollegeHarrow · Academy SecondaryPupils: 714
- 2295Cannon Lane Primary SchoolPinner · Local authority PrimaryPupils: 712
- 2378Stanburn Primary SchoolStanmore · Local authority PrimaryPupils: 694
- 2477Pinner Wood SchoolPinner · Local authority PrimaryPupils: 681
- 2586Vaughan Primary SchoolHarrow · Local authority PrimaryPupils: 668
- 2635Belmont SchoolHarrow · Local authority PrimaryPupils: 658
- 2746Heathland SchoolHarrow · Academy PrimaryPupils: 656
- 2860Marlborough Primary SchoolHarrow · Local authority PrimaryPupils: 651
- 2975West Lodge Primary SchoolPinner · Local authority PrimaryPupils: 642
- 3040Norbury SchoolHarrow · Local authority PrimaryPupils: 641
- 3191St John Fisher Catholic Primary SchoolPinner · Academy PrimaryPupils: 628
- 3288Grimsdyke SchoolPinner · Local authority PrimaryPupils: 625
- 3372Longfield Primary SchoolHarrow · Local authority PrimaryPupils: 617
- 3441Glebe Primary SchoolHarrow · Local authority PrimaryPupils: 566
- 3555Aylward Primary SchoolStanmore · Academy PrimaryPupils: 550
- 3671Roxbourne Primary SchoolHarrow · Local authority PrimaryPupils: 465
- 3794Newton Farm Nursery, Infant and Junior SchoolHarrow · Local authority PrimaryPupils: 462
- 3896Krishna Avanti Primary SchoolEdgware · Academy PrimaryPupils: 456
- 3986St Bernadette's Catholic Primary SchoolHarrow · Academy PrimaryPupils: 448
- 4089St Joseph's Catholic Primary SchoolHarrow · Academy PrimaryPupils: 447
- 4147Grange Primary SchoolHarrow · Local authority PrimaryPupils: 443
- 4253St Teresa's Catholic Primary School and NurseryHarrow · Local authority PrimaryPupils: 428
- 4384Avanti House Primary SchoolStanmore · Academy PrimaryPupils: 420
- 4454The Welldon Park AcademyHarrow · Academy PrimaryPupils: 420
- 4540Camrose Primary With NurseryEdgware · Local authority PrimaryPupils: 410
- 4681St Anselm's Catholic Primary SchoolHarrow · Local authority PrimaryPupils: 408
- 4765Saint Jerome Church of England Bilingual SchoolHarrow · Academy PrimaryPupils: 408
- 4888St George's Primary Catholic Voluntary AcademyHarrow · Academy PrimaryPupils: 404
- 4951Roxeth Primary SchoolHarrow · Local authority PrimaryPupils: 402
- 5070Weald Rise Primary SchoolHarrow · Local authority PrimaryPupils: 361
- 5149Hujjat Primary SchoolHarrow · Academy PrimaryPupils: 356
- 5231Earlsmead Primary SchoolHarrow · Academy PrimaryPupils: 344
- 5319Cedars Manor SchoolHarrow · Local authority PrimaryPupils: 339
- 5431Kenmore Park Junior SchoolHarrow · Local authority PrimaryPupils: 321
- 5569Kenmore Park Infant and Nursery SchoolHarrow · Local authority PrimaryPupils: 278
- 5651St John's CofE SchoolStanmore · Local authority PrimaryPupils: 278
- 573Heartwood HouseHarrow · Independent SecondaryPupils: 60
| # | School | Sector | Pupils | Success Index (England) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Nower Hill High School Pinner · Secondary · Ages 11–18 | Academy | 2,030 | 84.2 Top 25% | 59.0 Attainment 8 | 2,030 |
| 2 | Whitmore High School Harrow · Secondary · Ages 11–18 | Local authority | 1,724 | 70.4 Top 25% | 55.0 Attainment 8 | 1,724 |
| 3 | Park High School Stanmore · Secondary · Ages 11–18 | Academy | 1,475 | 56.5 Top 50% | 48.9 Attainment 8 | 1,475 |
| 4 | Whitefriars School Harrow · All-through · Ages 3–18 | Academy | 1,419 | 27.0 Lower 50% | 43.0 Attainment 8 | 1,419 |
| 5 | Bentley Wood High School Stanmore · Secondary · Ages 11–18 | Academy | 1,393 | 72.5 Top 25% | 58.5 Attainment 8 | 1,393 |
| 6 | Hatch End High School Harrow · Secondary · Ages 11–18 | Academy | 1,226 | 40.4 Lower 50% | 43.9 Attainment 8 | 1,226 |
| 7 | Avanti House School Stanmore · Secondary · Ages 11–18 | Academy | 1,206 | 91.6 Top 10% | 64.0 Attainment 8 | 1,206 |
| 8 | Rooks Heath School Harrow · Secondary · Ages 11–18 | Academy | 1,148 | 31.0 Lower 50% | 40.7 Attainment 8 | 1,148 |
| 9 | Canons High School Edgware · Secondary · Ages 11–18 | Academy | 1,139 | 30.9 Lower 50% | 39.1 Attainment 8 | 1,139 |
| 10 | North London Collegiate School Middlesex · All-through · Ages 4–18 | Independent | 1,130 | 22.4 Lower 50% | 19.9 Attainment 8 | 1,130 |
| 11 | Pinner High School Pinner · Secondary · Ages 11–18 | Academy | 1,111 | 83.1 Top 25% | 57.1 Attainment 8 | 1,111 |
| 12 | Harrow High School Harrow · Secondary · Ages 11–18 | Academy | 982 | 54.9 Top 50% | 47.4 Attainment 8 | 982 |
| 13 | Priestmead Primary School and Nursery Harrow · Primary · Ages 2–11 | Academy | 877 | 83.8 Top 25% | 80% KS2 expected standard (RWM) | 877 |
| 14 | Pinner Park Primary School Pinner · Primary · Ages 3–11 | Local authority | 858 | 72.6 Top 25% | 72% KS2 expected standard (RWM) | 858 |
| 15 | Stag Lane Primary School Edgware · Primary · Ages 3–11 | Local authority | 855 | 67.2 Top 50% | 69% KS2 expected standard (RWM) | 855 |
| 16 | Harrow School Harrow-on-the-Hill · Secondary · Ages 12–19 | Independent | 833 | 22.8 Lower 50% | 24.9 Attainment 8 | 833 |
| 17 | Elmgrove Primary School & Nursery Harrow · Primary · Ages 3–11 | Local authority | 805 | 51.1 Top 50% | 66% KS2 expected standard (RWM) | 805 |
| 18 | Salvatorian Roman Catholic College Harrow · Secondary · Ages 11–16 | Academy | 802 | 74.2 Top 25% | 54.1 Attainment 8 | 802 |
| 19 | Whitchurch Primary School & Nursery Stanmore · Primary · Ages 3–11 | Local authority | 797 | 70.4 Top 25% | 86% KS2 expected standard (RWM) | 797 |
| 20 | The John Lyon School Harrow-on-the-Hill · All-through · Ages 2–18 | Independent | 781 | 18.1 Lower 50% | 13.7 Attainment 8 | 781 |
| 21 | The Sacred Heart Language College Harrow · Secondary · Ages 11–16 | Academy | 714 | 82.0 Top 25% | 57.9 Attainment 8 | 714 |
| 22 | Cannon Lane Primary School Pinner · Primary · Ages 4–11 | Local authority | 712 | 94.5 Top 5% | 84% KS2 expected standard (RWM) | 712 |
| 23 | Stanburn Primary School Stanmore · Primary · Ages 3–11 | Local authority | 694 | 77.9 Top 25% | 88% KS2 expected standard (RWM) | 694 |
| 24 | Pinner Wood School Pinner · Primary · Ages 3–11 | Local authority | 681 | 77.3 Top 25% | 86% KS2 expected standard (RWM) | 681 |
| 25 | Vaughan Primary School Harrow · Primary · Ages 3–11 | Local authority | 668 | 86.2 Top 10% | 86% KS2 expected standard (RWM) | 668 |
| 26 | Belmont School Harrow · Primary · Ages 3–11 | Local authority | 658 | 35.2 Lower 50% | 56% KS2 expected standard (RWM) | 658 |
| 27 | Heathland School Harrow · Primary · Ages 3–11 | Academy | 656 | 46.1 Lower 50% | 63% KS2 expected standard (RWM) | 656 |
| 28 | Marlborough Primary School Harrow · Primary · Ages 3–11 | Local authority | 651 | 60.1 Top 50% | 68% KS2 expected standard (RWM) | 651 |
| 29 | West Lodge Primary School Pinner · Primary · Ages 4–11 | Local authority | 642 | 75.3 Top 25% | 76% KS2 expected standard (RWM) | 642 |
| 30 | Norbury School Harrow · Primary · Ages 3–11 | Local authority | 641 | 40.1 Lower 50% | 60% KS2 expected standard (RWM) | 641 |
| 31 | St John Fisher Catholic Primary School Pinner · Primary · Ages 4–11 | Academy | 628 | 91.2 Top 5% | 84% KS2 expected standard (RWM) | 628 |
| 32 | Grimsdyke School Pinner · Primary · Ages 4–11 | Local authority | 625 | 88.3 Top 10% | 87% KS2 expected standard (RWM) | 625 |
| 33 | Longfield Primary School Harrow · Primary · Ages 3–11 | Local authority | 617 | 72.3 Top 25% | 72% KS2 expected standard (RWM) | 617 |
| 34 | Glebe Primary School Harrow · Primary · Ages 3–11 | Local authority | 566 | 40.7 Lower 50% | 56% KS2 expected standard (RWM) | 566 |
| 35 | Aylward Primary School Stanmore · Primary · Ages 3–11 | Academy | 550 | 55.2 Top 50% | 74% KS2 expected standard (RWM) | 550 |
| 36 | Roxbourne Primary School Harrow · Primary · Ages 3–11 | Local authority | 465 | 71.0 Top 25% | 83% KS2 expected standard (RWM) | 465 |
| 37 | Newton Farm Nursery, Infant and Junior School Harrow · Primary · Ages 3–11 | Local authority | 462 | 93.9 Top 5% | 83% KS2 expected standard (RWM) | 462 |
| 38 | Krishna Avanti Primary School Edgware · Primary · Ages 3–11 | Academy | 456 | 95.5 Top 5% | 87% KS2 expected standard (RWM) | 456 |
| 39 | St Bernadette's Catholic Primary School Harrow · Primary · Ages 3–11 | Academy | 448 | 86.0 Top 10% | 85% KS2 expected standard (RWM) | 448 |
| 40 | St Joseph's Catholic Primary School Harrow · Primary · Ages 3–11 | Academy | 447 | 89.4 Top 10% | 86% KS2 expected standard (RWM) | 447 |
| 41 | Grange Primary School Harrow · Primary · Ages 3–11 | Local authority | 443 | 47.4 Lower 50% | 65% KS2 expected standard (RWM) | 443 |
| 42 | St Teresa's Catholic Primary School and Nursery Harrow · Primary · Ages 3–11 | Local authority | 428 | 52.8 Top 50% | 67% KS2 expected standard (RWM) | 428 |
| 43 | Avanti House Primary School Stanmore · Primary · Ages 4–11 | Academy | 420 | 83.6 Top 25% | 87% KS2 expected standard (RWM) | 420 |
| 44 | The Welldon Park Academy Harrow · Primary · Ages 3–11 | Academy | 420 | 53.5 Top 50% | 69% KS2 expected standard (RWM) | 420 |
| 45 | Camrose Primary With Nursery Edgware · Primary · Ages 3–11 | Local authority | 410 | 39.9 Lower 50% | 61% KS2 expected standard (RWM) | 410 |
| 46 | St Anselm's Catholic Primary School Harrow · Primary · Ages 4–11 | Local authority | 408 | 80.7 Top 25% | 79% KS2 expected standard (RWM) | 408 |
| 47 | Saint Jerome Church of England Bilingual School Harrow · Primary · Ages 4–11 | Academy | 408 | 64.8 Top 50% | 72% KS2 expected standard (RWM) | 408 |
| 48 | St George's Primary Catholic Voluntary Academy Harrow · Primary · Ages 2–11 | Academy | 404 | 87.9 Top 10% | 80% KS2 expected standard (RWM) | 404 |
| 49 | Roxeth Primary School Harrow · Primary · Ages 4–11 | Local authority | 402 | 50.7 Top 50% | 63% KS2 expected standard (RWM) | 402 |
| 50 | Weald Rise Primary School Harrow · Primary · Ages 2–11 | Local authority | 361 | 69.7 Top 50% | 76% KS2 expected standard (RWM) | 361 |
| 51 | Hujjat Primary School Harrow · Primary · Ages 4–11 | Academy | 356 | 48.9 Lower 50% | – | 356 |
| 52 | Earlsmead Primary School Harrow · Primary · Ages 3–11 | Academy | 344 | 31.3 Lower 50% | 55% KS2 expected standard (RWM) | 344 |
| 53 | Cedars Manor School Harrow · Primary · Ages 3–11 | Local authority | 339 | 19.3 Lower 50% | 54% KS2 expected standard (RWM) | 339 |
| 54 | Kenmore Park Junior School Harrow · Primary · Ages 7–11 | Local authority | 321 | 30.5 Lower 50% | 60% KS2 expected standard (RWM) | 321 |
| 55 | Kenmore Park Infant and Nursery School Harrow · Primary · Ages 3–7 | Local authority | 278 | 68.6 Top 50% | – | 278 |
| 56 | St John's CofE School Stanmore · Primary · Ages 2–11 | Local authority | 278 | 51.4 Top 50% | 74% KS2 expected standard (RWM) | 278 |
| 57 | Heartwood House Harrow · Secondary · Ages 11–17 | Independent | 60 | 2.7 Lower 50% | 5.5 Attainment 8 | 60 |
Nower Hill High School in Pinner leads the 2025 list of largest schools in Harrow with Pupils 2,030. Of the 57 schools shown, 28 are local authority, 25 are academy, 4 are independent.
For the full picture see the wider London largest schools league table, every school on the Harrow 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 Harrow?
Nower Hill High School in Pinner, London ranks first among largest schools in Harrow with Pupils 2,030 (Pupils on roll: 2,030).
How are largest schools in Harrow 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.