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124 schools in Co. Dublin · 2025/26

pupils
38,917
junior infants
4,395
in 14 all-Irish schools
3,392 8.7%
class teachers · 11 gained one · 19 lost one since 2024/25
1,616 +136 since 2015/16
households answered the parent survey
11,477
together since 2015/16 (about this figure)

The 117 schools with figures for both years had 37,883 pupils in 2015/16 and have 36,533 now. Schools that have closed, and newer schools, aren’t counted.

−3.6%
Over 10 years

20 grew · 54 steady · 43 fell · 7 newer

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Parent survey, 2025

Parents of children at each school, from the Department's Primary School Survey. About these figures

Parents who'd prefer a multi-denominational patron

Parents who'd prefer teaching through Irish

Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands

14 special schools also match this search. Show them too

  1. St Patricks NS Dublin 15
    867 pupils +19.1% over 10 years
  2. 744 pupils +4.9% over 10 years
  3. 721 pupils −11.5% over 10 years
  4. Scoil Choilm Community NS Dublin 15Multi-denominationalDEIS
    698 pupils −2.6% over 10 years
  5. The Harold School Glasthule
    642 pupils −5.6% over 10 years
  6. Scoil Naomh Mearnog Portmarnock
    638 pupils +28.4% over 10 years
  7. St Christopher's NS Dublin 4Some subjects through IrishDEIS
    598 pupils From 2019/20
  8. 591 pupils +30.5% over 10 years
  9. 590 pupils From 2023/24
  10. 587 pupils +95.0% over 10 years
  11. 586 pupils +37.6% over 10 years
  12. Scoil Ghrainne Community National School Dublin 15Multi-denominational
    585 pupils −13.2% over 10 years
  13. Carysfort NS Blackrock
    583 pupils +7.0% over 10 years
  14. St Pius X G N S Dublin 6WGirls
    540 pupils +3.1% over 10 years
  15. St Pius X N S Boys Dublin 6Boys
    511 pupils −3.4% over 10 years
  16. St Brigids Girls N S Dublin 18Girls
    499 pupils −8.4% over 10 years
  17. Scoil Padraig Naofa B BlackrockBoys
    499 pupils −22.9% over 10 years
  18. Scoil Lorcáin Baile na ManachGaelscoil
    485 pupils −0.6% over 10 years
  19. St Patricks GNS Dublin 18Girls
    478 pupils −15.2% over 10 years
  20. St Patrick GNS Dublin 16
    472 pupils −8.5% over 10 years
  21. Marley Grange NS Dublin 16
    461 pupils −7.6% over 10 years
  22. Bishop Galvin NS Dublin 6w
    461 pupils −2.9% over 10 years
  23. Gaelscoil Chluain Dolcain Baile Átha Cliath 22Gaelscoil
    445 pupils +26.8% over 10 years
  24. Gaelscoil Bhrian Bóroimhe SordGaelscoilInter-denominational
    441 pupils −7.0% over 10 years
  25. St Annes MXD N S Shankill
    440 pupils −13.9% over 10 years
124 schools in Co. Dublin
School Pupils Since 2015/16 Since 2005/06 Average class Class teacherschange on 2024/25 Junior infants Multi-denominationalparents who'd prefer Through Irishparents who'd prefer
St Patricks NS Dublin 15 · Roll 20130B 867
+19.1%
Opened 2001/02 27.1 32 101 58% 11%
St Colmcille Senior N S Dublin 16 · Roll 19742C 744
+4.9%
+2.5%
25.7 29 0 50% 11%
Scoil Colmcille Naofa Dublin 16 · Roll 19474D 721
−11.5%
+1.0%
24.7 29 179 54% 11%
Scoil Choilm Community NS Dublin 15 · Roll 20241K Multi-denominationalDEIS 698
−2.6%
From 2007/08 22.1 31 54 71% 9%
The Harold School Glasthule, Co. Dublin · Roll 20141G 642
−5.6%
+30.8%
23.6 27 83 68% 19%
Scoil Naomh Mearnog Portmarnock, Co. Dublin · Roll 10296G 638
+28.4%
+150.2%
26.3 24 81 55% 15%
St Christopher's NS Dublin 4 · Roll 20545H Some subjects through IrishDEIS 598 From 2019/20 From 2019/20 24.7 24 73 53% 11%
ST Olaf's National School Dublin 16 · Roll 19319O 591
+30.5%
+72.8%
25.7 +1 on 2024/2523 74 55% 12%
St. Louis National School Dublin 6 · Roll 20571I 590 From 2023/24 From 2023/24 22.5 26 46 53% 13%
St Marys Central N S Dublin 4 · Roll 19727G 587
+95.0%
+135.7%
23.4 25 72 50% 17%
Holy Trinity National School Dublin 18 · Roll 20190T 586
+37.6%
Opened 2005/06 24.4 24 75 55% 10%
Scoil Ghrainne Community National School Dublin 15 · Roll 20247W Multi-denominational 585
−13.2%
From 2008/09 23.9 24 71 60% 6%
Carysfort NS Blackrock, Co. Dublin · Roll 14586M 583
+7.0%
+16.8%
24.3 24 82 65% 16%
St Pius X G N S Dublin 6W · Roll 19178W Girls 540
+3.1%
+19.5%
27.0 20 53 54% 17%
St Pius X N S Boys Dublin 6 · Roll 19177U Boys 511
−3.4%
+8.0%
25.6 20 53 54% 15%
St Brigids Girls N S Dublin 18 · Roll 16353W Girls 499
−8.4%
−3.3%
24.9 20 43 58% 11%
Scoil Padraig Naofa B Blackrock, Co. Dublin · Roll 19258U Boys 499
−22.9%
−16.8%
23.5 −1 on 2024/2521 53 55% 11%
Scoil Lorcáin Baile na Manach, Co. Dublin · Roll 18451J Gaelscoil 485
−0.6%
+11.2%
25.5 19 60 58% 92%
St Patricks GNS Dublin 18 · Roll 19259W Girls 478
−15.2%
+1.3%
23.9 −1 on 2024/2520 51 50% 14%
St Patrick GNS Dublin 16 · Roll 19114T 472
−8.5%
+16.0%
23.4 −1 on 2024/2520 91 55% 14%
Marley Grange NS Dublin 16 · Roll 19574H 461
−7.6%
+0.9%
24.3 19 54 54% 10%
Bishop Galvin NS Dublin 6w · Roll 19494J 461
−2.9%
+2.9%
25.3 18 0 55% 12%
Gaelscoil Chluain Dolcain Baile Átha Cliath 22, Co. Dublin · Roll 19855P Gaelscoil 445
+26.8%
+51.4%
26.2 17 60 50% 91%
Gaelscoil Bhrian Bóroimhe Sord, Co. Dublin · Roll 20095C GaelscoilInter-denominational 441
−7.0%
Opened 1999/00 27.6 16 58 50% 95%
St Annes MXD N S Shankill, Co. Dublin · Roll 19888H 440
−13.9%
−12.4%
24.1 18 49 59% 9%
Showing 25 of 124 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.