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276 schools in Ireland · 2025/26

pupils
42,257
junior infants
4,756
in 26 all-Irish schools
2,203 5.2%
class teachers · 33 gained one · 17 lost one since 2024/25
1,964 +528 since 2015/16
together since 2015/16

The 276 schools with figures for both years had 32,084 pupils in 2015/16 and have 42,257 now. Schools that have closed, and newer schools, aren’t counted.

+31.7%
Over 10 years

276 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. Scoil Choilmcille LetterkennyDEIS
    658 +85.4%
  2. Scoil Phadraig Naofa Baile Átha ÍDEIS
    592 +19.8%
  3. St Josephs N S DundalkDEIS
    574 +10.4%
  4. St Marys NS AthloneDEIS
    573 +31.1%
  5. St Josephs Convent Longford TownDEIS
    527 +19.0%
  6. C.B.S. Primary DundalkDEIS
    524 +18.8%
  7. Ravenswell Primary School BrayDEIS
    468 +75.9%
  8. Letterkenny Educate Together NS LetterkennyMulti-denominationalDEIS
    420 +84.2%
  9. St Dominic's National School Dublin 24DEIS
    410 +40.4%
  10. Scoil na mBraithre MullingarDEIS
    409 +21.4%
  11. Scoil Mhuire gan Smal B CorkBoysDEIS
    403 +13.8%
  12. Corpus Christi N S LimerickDEIS
    403 +72.2%
  13. Harolds Cross N S Dublin 6WDEIS
    398 +24.0%
  14. Carlow Educate Together NS CarlowMulti-denominationalDEIS
    389 +61.4%
  15. Scoil Iosa BallyhaunisDEIS
    385 +19.6%
  16. Presentation Convent DroghedaDEIS
    385 +19.9%
  17. Stanhope Street Primary School Dublin 7DEIS
    384 +15.3%
  18. St Raphaels NS Dublin 10DEIS
    380 +50.8%
  19. Padraig Naofa N S WicklowDEIS
    377 +14.2%
  20. St Matthews Mixed N.S BallymahonDEIS
    373 +35.1%
  21. St Josephs Dun LaoghaireDEIS
    370 +174.1%
  22. Newtownmountkennedy Primary School NewtownmountkennedyDEIS
    368 +24.7%
  23. Mount Sion CBS N S WaterfordBoysDEIS
    360 +22.0%
  24. Skerries Educate Together National School SkerriesMulti-denominationalDEIS
    333 +11.0%
  25. St Saviours NS WaterfordDEIS
    330 +17.9%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
Scoil Choilmcille Letterkenny, Co. Donegal · Roll 18625Q DEIS 658
+85.4%
27.0 24 80
Scoil Phadraig Naofa Baile Átha Í, Co. Kildare · Roll 16705E DEIS 592
+19.8%
22.1 26 72
St Josephs N S Dundalk, Co. Louth · Roll 19673J DEIS 574
+10.4%
21.6 26 61
St Marys NS Athlone, Co. Westmeath · Roll 20073P DEIS 573
+31.1%
18.5 +131 47
St Josephs Convent Longford Town · Roll 18178R DEIS 527
+19.0%
17.8 +128 79
C.B.S. Primary Dundalk, Co. Louth · Roll 17195M DEIS 524
+18.8%
24.7 +121 63
Ravenswell Primary School Bray, Co. Wicklow · Roll 07246U DEIS 468
+75.9%
19.0 24 44
Letterkenny Educate Together NS Letterkenny, Co. Donegal · Roll 20235P Multi-denominationalDEIS 420
+84.2%
23.6 17 42
St Dominic's National School Dublin 24 · Roll 20468P DEIS 410
+40.4%
18.1 22 50
Scoil na mBraithre Mullingar, Co. Westmeath · Roll 18381O DEIS 409
+21.4%
24.4 −116 55
Scoil Mhuire gan Smal B Cork · Roll 17993R BoysDEIS 403
+13.8%
23.4 −117 41
Corpus Christi N S Limerick · Roll 19830W DEIS 403
+72.2%
18.9 20 46
Harolds Cross N S Dublin 6W · Roll 19924I DEIS 398
+24.0%
24.9 16 52
Carlow Educate Together NS Carlow · Roll 20295K Multi-denominationalDEIS 389
+61.4%
23.6 16 40
Scoil Iosa Ballyhaunis, Co. Mayo · Roll 20142I DEIS 385
+19.6%
18.8 20 43
Presentation Convent Drogheda, Co. Louth · Roll 00851C DEIS 385
+19.9%
22.6 17 46
Stanhope Street Primary School Dublin 7 · Roll 09932B DEIS 384
+15.3%
18.6 20 49
St Raphaels NS Dublin 10 · Roll 19663G DEIS 380
+50.8%
19.0 20 44
Padraig Naofa N S Wicklow · Roll 15676S DEIS 377
+14.2%
20.6 −117 38
St Matthews Mixed N.S Ballymahon, Co. Longford · Roll 20128O DEIS 373
+35.1%
23.3 15 48
St Josephs Dun Laoghaire, Co. Dublin · Roll 19938T DEIS 370
+174.1%
21.4 17 35
Newtownmountkennedy Primary School Newtownmountkennedy, Co. Wicklow · Roll 20278K DEIS 368
+24.7%
24.6 14 47
Mount Sion CBS N S Waterford · Roll 19947U BoysDEIS 360
+22.0%
21.4 16 44
Skerries Educate Together National School Skerries, Co. Dublin · Roll 20307O Multi-denominationalDEIS 333
+11.0%
20.6 15 40
St Saviours NS Waterford · Roll 19511G DEIS 330
+17.9%
19.9 16 33
Showing 25 of 276 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.