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Filtered by Co. Dublin Growing Clear all

67 schools in Co. Dublin · 2025/26

pupils
20,175
junior infants
2,035
in 2 all-Irish schools
513 2.5%
class teachers · 12 gained one · 3 lost one since 2024/25
875 +239 since 2015/16
together since 2015/16

The 67 schools with figures for both years had 15,719 pupils in 2015/16 and have 20,175 now. Schools that have closed, and newer schools, aren’t counted.

+28.3%
Over 10 years

67 grew · 0 steady · 0 fell

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Change in pupils over 10 years
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Class teachers since 2024/25
DEIS and islands

11 special schools also match this search. Show them too

  1. St Patricks NS Dublin 15
    867 +19.1%
  2. Scoil Naomh Mearnog Portmarnock
    638 +28.4%
  3. Caisleain Nua Liamhna Newcastle
    626 +30.1%
  4. Scoil Aine Naofa Lucan
    614 +18.5%
  5. Scoil Naomh Lucais Dublin 15
    602 +11.3%
  6. ST Olaf's National School Dublin 16
    591 +30.5%
  7. St Marys Central N S Dublin 4
    587 +95.0%
  8. Holy Trinity National School Dublin 18
    586 +37.6%
  9. Dublin 7 Educate Together NS Dublin 7Multi-denominational
    515 +16.3%
  10. Holy Child National School Dublin 9
    495 +23.1%
  11. St Marys N S Lucan
    483 +14.2%
  12. Gaelscoil Chluain Dolcain Baile Átha Cliath 22Gaelscoil
    445 +26.8%
  13. St. Francis of Assisi National School Dublin 13
    434 +11.3%
  14. St. John the Evangelist National School Adamstown Castle
    417 +16.5%
  15. Islamic National School Dublin 14Muslim
    414 +39.9%
  16. St Dominic's National School Dublin 24DEIS
    410 +40.4%
  17. Glasnevin Educate Together NS Dublin 11Multi-denominational
    410 +73.7%
  18. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  19. Harolds Cross N S Dublin 6WDEIS
    398 +24.0%
  20. Holy Trinity Sen N S Dublin 13
    397 +14.4%
  21. North Dublin Muslim NS Dublin 7Muslim
    391 +64.3%
  22. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  23. Stanhope Street Primary School Dublin 7DEIS
    384 +15.3%
  24. St Helens Senior N S Portmarnock
    381 +42.7%
  25. St Raphaels NS Dublin 10DEIS
    380 +50.8%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
St Patricks NS Dublin 15 · Roll 20130B 867
+19.1%
27.1 32 101
Scoil Naomh Mearnog Portmarnock, Co. Dublin · Roll 10296G 638
+28.4%
26.3 24 81
Caisleain Nua Liamhna Newcastle, Co. Dublin · Roll 16461C 626
+30.1%
25.6 24 77
Scoil Aine Naofa Lucan, Co. Dublin · Roll 19676P 614
+18.5%
26.4 23 0
Scoil Naomh Lucais Dublin 15 · Roll 16675V 602
+11.3%
25.1 24 73
ST Olaf's National School Dublin 16 · Roll 19319O 591
+30.5%
25.7 +123 74
St Marys Central N S Dublin 4 · Roll 19727G 587
+95.0%
23.4 25 72
Holy Trinity National School Dublin 18 · Roll 20190T 586
+37.6%
24.4 24 75
Dublin 7 Educate Together NS Dublin 7 · Roll 20131D Multi-denominational 515
+16.3%
23.9 21 69
Holy Child National School Dublin 9 · Roll 20338C 495
+23.1%
24.1 20 92
St Marys N S Lucan, Co. Dublin · Roll 19817H 483
+14.2%
24.8 19 68
Gaelscoil Chluain Dolcain Baile Átha Cliath 22, Co. Dublin · Roll 19855P Gaelscoil 445
+26.8%
26.2 17 60
St. Francis of Assisi National School Dublin 13 · Roll 20304I 434
+11.3%
27.1 16 49
St. John the Evangelist National School Adamstown Castle, Co. Dublin · Roll 20194E 417
+16.5%
25.9 16 37
Islamic National School Dublin 14 · Roll 19949B Muslim 414
+39.9%
24.0 17 55
St Dominic's National School Dublin 24 · Roll 20468P DEIS 410
+40.4%
18.1 22 50
Glasnevin Educate Together NS Dublin 11 · Roll 20168D Multi-denominational 410
+73.7%
24.9 16 53
Griffith Barracks Multi D School Dublin 8 · Roll 20012S Multi-denominational 403
+60.6%
25.2 +116 51
Harolds Cross N S Dublin 6W · Roll 19924I DEIS 398
+24.0%
24.9 16 52
Holy Trinity Sen N S Dublin 13 · Roll 19406J 397
+14.4%
24.1 16 0
North Dublin Muslim NS Dublin 7 · Roll 20152L Muslim 391
+64.3%
24.1 16 46
St Francis Xavier Senior N S Dublin 15 · Roll 19470S 388
+19.0%
23.3 +116 0
Stanhope Street Primary School Dublin 7 · Roll 09932B DEIS 384
+15.3%
18.6 20 49
St Helens Senior N S Portmarnock, Co. Dublin · Roll 19762I 381
+42.7%
24.5 −115 0
St Raphaels NS Dublin 10 · Roll 19663G DEIS 380
+50.8%
19.0 20 44
Showing 25 of 67 Show 25 more

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.