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90 schools in Ireland · 2025/26

pupils
18,061
junior infants
2,234
in 4 all-Irish schools
1,111 6.2%
class teachers · 90 gained one · 0 lost one since 2024/25
807 +240 since 2015/16
together since 2015/16

The 90 schools with figures for both years had 13,921 pupils in 2015/16 and have 18,061 now. Schools that have closed, and newer schools, aren’t counted.

+29.7%
Over 10 years

90 grew · 0 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. S N Brighde Kill
    744 +19.2%
  2. ST Olaf's National School Dublin 16
    591 +30.5%
  3. St Marys NS AthloneDEIS
    573 +31.1%
  4. St Josephs Convent Longford TownDEIS
    527 +19.0%
  5. C.B.S. Primary DundalkDEIS
    524 +18.8%
  6. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  7. Watergrasshill N S WatergrasshillSome subjects through Irish
    391 +20.7%
  8. St Francis Xavier Senior N S Dublin 15
    388 +19.0%
  9. Gaelscoil Sairseal LuimneachGaelscoil
    369 +61.8%
  10. Scoil Cholmcille Kells
    352 +29.4%
  11. S N Mhuire na Trocaire Ardee
    339 +29.9%
  12. S N Mhuire Barntown
    336 +25.8%
  13. S N Cill Criodain Ladysbridge
    325 +18.6%
  14. Gaelscoil Chluain Meala Cluain MealaGaelscoil
    315 +48.6%
  15. Our Lady of Consolation NS Dublin 5DEIS
    310 +41.6%
  16. Corr na Madadh N S AthloneMulti-denominationalDEIS
    306 +11.7%
  17. St Kilians Senior N S Dublin 24
    296 +41.6%
  18. Scoil Eoin Naofa SligoDEIS
    289 +11.2%
  19. Scoil Naomh Deagha Dundalk
    286 +34.9%
  20. Scoil Iognaid de Ris Kilkenny
    278 +33.7%
  21. Clondrohid N S Macroom
    276 +23.8%
  22. St Pauls B N S WaterfordDEIS
    267 +20.8%
  23. S N Naomh Finnin Dublin 11DEIS
    266 +15.7%
  24. Holy Family TraleeDEIS
    265 +16.7%
  25. Scoil Colmcille CorkDEIS
    264 +23.9%
Showing 25 of 90 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.