Find schools

1. 1
   Sacred Heart N S Dublin 15
   632 pupils −25.3% over 10 years
2. 2
   Holy Family Senior N S Swords
   624 pupils +0.3% over 10 years
3. 3
   St Fiachras Sen N S Dublin 5
   609 pupils −3.8% over 10 years
4. 4
   St Ciarans N S Dublin 15
   530 pupils −27.5% over 10 years
5. 5
   Scoil Padraig Naofa B BlackrockBoys
   499 pupils −22.9% over 10 years
6. 6
   St Cronans Junior National School Swords
   498 pupils −21.6% over 10 years
7. 7
   St Patricks GNS Dublin 18Girls
   478 pupils −15.2% over 10 years
8. 8
   St Patrick GNS Dublin 16
   472 pupils −8.5% over 10 years
9. 9
   S N Cnoc Ainbhil StillorganGirls
   434 pupils −6.9% over 10 years
10. 10
    St Laurence's National School Dublin 13
    413 pupils −5.1% over 10 years
11. 11
    St Brigids Convent Dublin 11Girls
    406 pupils −12.5% over 10 years
12. 12
    St Ronans N S Dublin 22DEIS
    396 pupils −8.8% over 10 years
13. 13
    S N Naomh Lorcan StillorganBoys
    390 pupils −12.2% over 10 years
14. 14
    St Helens Senior N S Portmarnock
    381 pupils +42.7% over 10 years
15. 15
    S N Eoin Baisde Girls Senior Dublin 3Girls
    380 pupils −8.4% over 10 years
16. 16
    St Raphaelas N S BlackrockGirls
    375 pupils −20.4% over 10 years
17. 17
    Scoil Mhuire Boys Dublin 14Boys
    367 pupils −19.9% over 10 years
18. 18
    Presentation Primary School Dublin 6WGirls
    367 pupils −37.7% over 10 years
19. 19
    S N Peadar agus Pol N Balbriggan
    357 pupils −24.5% over 10 years
20. 20
    Scoil Úna Naofa Dublin 12DEIS
    356 pupils From 2016/17
21. 21
    St Canices B N S Dublin 11BoysDEIS
    355 pupils −17.8% over 10 years
22. 22
    Mary, Help of Christians G.N.S. Dublin 7Girls
    352 pupils −17.8% over 10 years
23. 23
    Scoil Mhuire MXD Howth
    349 pupils −3.9% over 10 years
24. 24
    St Georges N S BalbrigganChurch of Ireland
    339 pupils −16.3% over 10 years
25. 25
    St Attractas Junior N S Dublin 16
    337 pupils −2.6% over 10 years
26. 26
    Shellybanks Educate Together National School Dublin 4Multi-denominational
    333 pupils +274.2% over 10 years
27. 27
    S N Cholmille B SwordsBoys
    320 pupils −22.0% over 10 years
28. 28
    Thornleigh Educate Together National School SwordsMulti-denominationalDEIS
    313 pupils −3.7% over 10 years
29. 29
    Scoil Carmel Dublin 24
    313 pupils −30.1% over 10 years
30. 30
    Gaelscoil Bhaile Brigin Baile BrigínGaelscoilInter-denominational
    306 pupils −34.2% over 10 years
31. 31
    Mhuire Iosef Junior Dublin 13
    302 pupils −30.1% over 10 years
32. 32
    Gardiner Street Convent Dublin 1DEIS
    298 pupils −11.8% over 10 years
33. 33
    St Josephs NS Dublin 17DEIS
    294 pupils −14.5% over 10 years
34. 34
    Scoil Assaim Boys Seniors Dublin 5
    293 pupils +13.1% over 10 years
35. 35
    S N Eoin Bosco Buach Dublin 7Boys
    290 pupils −21.0% over 10 years
36. 36
    St Brigids Boys N S Dublin 5Boys
    287 pupils −23.7% over 10 years
37. 37
    St Kevins Boys Dublin 24Boys
    275 pupils −16.4% over 10 years
38. 38
    Scoil Nais Caitriona Rush
    274 pupils −3.9% over 10 years
39. 39
    Divine Mercy Senior National School LucanDEIS
    274 pupils −46.9% over 10 years
40. 40
    Scoil Santain Baile Átha Cliath 24GaelscoilDEIS
    262 pupils −27.4% over 10 years
41. 41
    St Kevins Girls Dublin 24Girls
    257 pupils −12.9% over 10 years
42. 42
    SN an Spioraid Naiomh C Dublin 11GirlsDEIS
    249 pupils −18.1% over 10 years
43. 43
    Scoil Mhuire Dublin 18DEIS
    249 pupils −24.3% over 10 years
44. 44
    St Philips Senior N S Dublin 15DEIS
    231 pupils −15.1% over 10 years
45. 45
    Neillstown N S Dublin 22DEIS
    231 pupils −24.3% over 10 years
46. 46
    Holy Spirit B N S Dublin 11BoysDEIS
    229 pupils −33.8% over 10 years
47. 47
    Star of the Sea Dublin 4Boys
    223 pupils −37.7% over 10 years
48. 48
    Eoin Baisde C Naoidh Dublin 3Girls
    215 pupils −14.7% over 10 years
49. 49
    Scoil Bride C Dublin 15Girls
    213 pupils −31.9% over 10 years
50. 50
    St Gabriels NS Dublin 10DEIS
    211 pupils −5.8% 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.