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66 schools in Ireland · 2025/26

pupils
14,161
junior infants
1,836
in 6 all-Irish schools
1,867 13.2%
class teachers · 66 gained one · 0 lost one since 2024/25
636 +87 since 2015/16
together since 2015/16

The 66 schools with figures for both years had 14,123 pupils in 2015/16 and have 14,161 now. Schools that have closed, and newer schools, aren’t counted.

+0.3%
Over 10 years

0 grew · 66 steady · 0 fell

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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 Thomas Junior National School Lucan
    573 +3.1%
  2. St Clares Primary School CavanDEIS
    548 +4.8%
  3. Ovens N S Ovens
    466 +9.1%
  4. Scoil Ui Fhiaich Maigh NuadGaelscoil
    459 −4.2%
  5. S N Muire gan Smal Ballinasloe
    445 +7.2%
  6. St Fintans NS Dublin 13
    431 −8.3%
  7. Gaelscoil Thaobh na Coille Baile Átha Cliath 18Gaelscoil
    402 −9.0%
  8. St Columbas Con G & I Dublin 9
    378 −5.0%
  9. St Marys School Dublin 24
    349 −9.1%
  10. Scoil na Mainistreach Quin Dangan Quin
    330 +5.1%
  11. St Davids N S Dublin 5DEIS
    308 −1.9%
  12. Scoil Náisíunta Naomh Feichín Drogheda
    307 +4.1%
  13. S N Mhuire Senior School Blessington
    296 +3.5%
  14. S N Cnoc an Mharcaigh Longford
    289 +7.8%
  15. Gaelscoil Chill Mhantáin Ráth NaoiGaelscoilInter-denominational
    285 +4.0%
  16. Scoil Chaitlin Maude Baile Átha Cliath 24GaelscoilMulti-denominationalDEIS
    284 −9.3%
  17. Presentation Primary School LimerickDEIS
    279 +4.5%
  18. St John the Baptist Boys School CashelBoysDEIS
    268 −3.6%
  19. Glenswilly N S Letterkenny
    262 −5.4%
  20. S N Baile an Bhuitléirigh Butlerstown
    242 −4.3%
  21. St. Colmcille's N.S. Mullingar
    239 +1.7%
  22. S N an Droim Mor LiffordDEIS
    229 +9.0%
  23. Scoil Éanna BallybayDEIS
    228 −3.8%
  24. Roxboro N S Derrane
    226 +9.2%
  25. St Josephs Convent Newcastle WestDEIS
    225 −2.2%
Showing 25 of 66 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.