Find schools

1. 1
   Castlebar Primary School Castlebar
   864 pupils From 2022/23
2. 2
   Trinity Primary School TuamDEIS
   781 pupils From 2019/20
3. 3
   S N Brighde Kill
   744 pupils +19.2% over 10 years
4. 4
   Scoil Padraig Naofa Bray
   680 pupils −14.9% over 10 years
5. 5
   Mercy Convent Primary School Naas
   607 pupils −13.8% over 10 years
6. 6
   ST Olaf's National School Dublin 16
   591 pupils +30.5% over 10 years
7. 7
   St Thomas Junior National School Lucan
   573 pupils +3.1% over 10 years
8. 8
   St Marys NS AthloneDEIS
   573 pupils +31.1% over 10 years
9. 9
   St Clares Primary School CavanDEIS
   548 pupils +4.8% over 10 years
10. 10
    Stepaside Educate Together National School Dublin 18Multi-denominational
    542 pupils +351.7% over 10 years
11. 11
    St Josephs Convent Longford TownDEIS
    527 pupils +19.0% over 10 years
12. 12
    C.B.S. Primary DundalkDEIS
    524 pupils +18.8% over 10 years
13. 13
    Ovens N S Ovens
    466 pupils +9.1% over 10 years
14. 14
    Scoil Ui Fhiaich Maigh NuadGaelscoil
    459 pupils −4.2% over 10 years
15. 15
    Portlaoise Educate Together NS PortlaoiseMulti-denominational
    457 pupils +29.1% over 10 years
16. 16
    Scoil na Mainistreach Celbridge
    455 pupils −16.8% over 10 years
17. 17
    S N Muire gan Smal Ballinasloe
    445 pupils +7.2% over 10 years
18. 18
    Gaelscoil na Fuinseoige Bác 14GaelscoilMulti-denominational
    441 pupils Opened 2016/17
19. 19
    Assumption Junior School Dublin 12DEIS
    434 pupils −17.8% over 10 years
20. 20
    St Fintans NS Dublin 13
    431 pupils −8.3% over 10 years
21. 21
    Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 pupils +60.6% over 10 years
22. 22
    Gaelscoil Thaobh na Coille Baile Átha Cliath 18Gaelscoil
    402 pupils −9.0% over 10 years
23. 23
    Scoil Oilibheir Naofa Bettystown
    397 pupils −10.6% over 10 years
24. 24
    Watergrasshill N S WatergrasshillSome subjects through Irish
    391 pupils +20.7% over 10 years
25. 25
    St Francis Xavier Senior N S Dublin 15
    388 pupils +19.0% over 10 years
26. 26
    St Columbas Con G & I Dublin 9
    378 pupils −5.0% over 10 years
27. 27
    Scoil C.ui Dhalaigh Léim an BhradáinGaelscoil
    376 pupils −15.9% over 10 years
28. 28
    Scoil Naomh Pádraig Kanturk
    372 pupils From 2022/23
29. 29
    Gaelscoil Sairseal LuimneachGaelscoil
    369 pupils +61.8% over 10 years
30. 30
    Naas Community National School NaasMulti-denominational
    364 pupils +48.6% over 10 years
31. 31
    Gaelscoil Shliabh Rua Baile Átha Cliath 18GaelscoilMulti-denominational
    359 pupils +529.8% over 10 years
32. 32
    Radharc na Mara National School MervueDEIS
    353 pupils From 2020/21
33. 33
    Scoil Cholmcille Kells
    352 pupils +29.4% over 10 years
34. 34
    St Marys School Dublin 24
    349 pupils −9.1% over 10 years
35. 35
    Ashbourne Community National School AshbourneMulti-denominational
    341 pupils From 2019/20
36. 36
    Stapolin Educate Together National School Dublin 13Multi-denominational
    340 pupils Opened 2019/20
37. 37
    S N Mhuire na Trocaire Ardee
    339 pupils +29.9% over 10 years
38. 38
    S N Mhuire Barntown
    336 pupils +25.8% over 10 years
39. 39
    Scoil na Mainistreach Quin Dangan Quin
    330 pupils +5.1% over 10 years
40. 40
    S N Cill Criodain Ladysbridge
    325 pupils +18.6% over 10 years
41. 41
    Scoil an Athar Tadhg Carraig na bhFearSome subjects through Irish
    317 pupils −10.2% over 10 years
42. 42
    Gaelscoil Chluain Meala Cluain MealaGaelscoil
    315 pupils +48.6% over 10 years
43. 43
    Claremorris National School Claremorris
    314 pupils From 2024/25
44. 44
    Our Lady of Consolation NS Dublin 5DEIS
    310 pupils +41.6% over 10 years
45. 45
    St Davids N S Dublin 5DEIS
    308 pupils −1.9% over 10 years
46. 46
    Scoil Náisíunta Naomh Feichín Drogheda
    307 pupils +4.1% over 10 years
47. 47
    Corr na Madadh N S AthloneMulti-denominationalDEIS
    306 pupils +11.7% over 10 years
48. 48
    Scoil Mhuire agus Eoin MayfieldDEIS
    304 pupils From 2017/18
49. 49
    Blessed Oliver N S Balbriggan
    298 pupils −13.1% over 10 years
50. 50
    St Kilians Senior N S Dublin 24
    296 pupils +41.6% over 10 years

Distances are straight lines, not travel routes. Pupil numbers and class sizes: Department of Education, 2025/26. Change is over 10 years, since 2015/16. Average class size counts mainstream classes only, and there's one class teacher for each mainstream class. Totals cover every school in the results, not just those shown.