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Filtered by Co. Dublin Growing 17 or more class teachers Clear all

18 schools in Co. Dublin · 2025/26

pupils
9,317
junior infants
1,139
in 1 all-Irish school
445 4.8%
class teachers · 2 gained one · 0 lost one since 2024/25
389 +119 since 2015/16
together since 2015/16

The 18 schools with figures for both years had 7,091 pupils in 2015/16 and have 9,317 now. Schools that have closed, and newer schools, aren’t counted.

+31.4%
Over 10 years

18 grew · 0 steady · 0 fell

Show the 18 schools

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Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  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. Islamic National School Dublin 14Muslim
    414 +39.9%
  14. St Dominic's National School Dublin 24DEIS
    410 +40.4%
  15. Stanhope Street Primary School Dublin 7DEIS
    384 +15.3%
  16. St Raphaels NS Dublin 10DEIS
    380 +50.8%
  17. St Josephs Dun LaoghaireDEIS
    370 +174.1%
  18. Our Lady of Consolation NS Dublin 5DEIS
    310 +41.6%
Showing 18 of 18

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.