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Filtered by 17 or more class teachers Lost a class teacher Clear all

45 schools in Ireland · 2025/26

pupils
22,033
junior infants
2,349
in all-Irish schools
0
class teachers · 0 gained one · 45 lost one since 2024/25
961 +1 since 2015/16
together since 2015/16

The 43 schools with figures for both years had 24,058 pupils in 2015/16 and have 21,072 now. Schools that have closed, and newer schools, aren’t counted.

−12.4%
Over 10 years

2 grew · 21 steady · 20 fell · 2 newer

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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 Aidans Parish School EnniscorthyDEIS
    869 +2.7%
  2. Scoil Bhride NS PortlaoiseDEIS
    727 −3.8%
  3. Scoil Nioclais Cork
    714 −19.4%
  4. Sacred Heart N S Dublin 15
    632 −25.3%
  5. Holy Family Senior N S Swords
    624 +0.3%
  6. St Fiachras Sen N S Dublin 5
    609 −3.8%
  7. St Cóman's Wood Primary School Roscommon
    605 From 2017/18
  8. St Brigids N S Kilcullen
    598 −5.7%
  9. Scoil Mhuire Coolcotts WexfordDEIS
    573 −6.2%
  10. S N Naomh Fhiach GraiguecullenDEIS
    570 +7.8%
  11. St. Mary's Primary School Enfield
    543 +0.9%
  12. St Ciarans N S Dublin 15
    530 −27.5%
  13. S N Naomh Padraig Stamullen
    524 −22.7%
  14. St Josephs N S Arklow
    500 −24.5%
  15. Scoil Padraig Naofa B BlackrockBoys
    499 −22.9%
  16. St Cronans Junior National School Swords
    498 −21.6%
  17. Scoil Mhichil Naofa AthyDEIS
    496 −25.9%
  18. Presentation Primary School Portarlington
    496 −31.4%
  19. St Patricks BNS ClaneBoys
    488 −1.2%
  20. Scoil Bhríde Primary School EdenderryDEIS
    480 −13.0%
  21. St Patricks GNS Dublin 18Girls
    478 −15.2%
  22. St Patrick GNS Dublin 16
    472 −8.5%
  23. Scoil Ghobnatan MallowDEIS
    470 −19.1%
  24. Dunboyne Senior N S Dunboyne
    470 −13.6%
  25. Scoil Chorbain NaasBoys
    460 +4.1%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
St Aidans Parish School Enniscorthy, Co. Wexford · Roll 20003R DEIS 869
+2.7%
22.6 −136 91
Scoil Bhride NS Portlaoise, Co. Laois · Roll 19747M DEIS 727
−3.8%
19.9 −136 78
Scoil Nioclais Cork · Roll 20106E 714
−19.4%
22.3 −231 84
Sacred Heart N S Dublin 15 · Roll 19755L 632
−25.3%
21.9 −228 68
Holy Family Senior N S Swords, Co. Dublin · Roll 19877C 624
+0.3%
25.2 −124 0
St Fiachras Sen N S Dublin 5 · Roll 19628E 609
−3.8%
25.4 −124 0
St Cóman's Wood Primary School Roscommon · Roll 20498B 605 – 22.4 −126 70
St Brigids N S Kilcullen, Co. Kildare · Roll 19675N 598
−5.7%
22.3 −126 54
Scoil Mhuire Coolcotts Wexford · Roll 19739N DEIS 573
−6.2%
18.3 −130 59
S N Naomh Fhiach Graiguecullen, Co. Carlow · Roll 19958C DEIS 570
+7.8%
24.8 −123 50
St. Mary's Primary School Enfield, Co. Meath · Roll 17821L 543
+0.9%
22.8 −123 58
St Ciarans N S Dublin 15 · Roll 19644C 530
−27.5%
22.5 −123 54
S N Naomh Padraig Stamullen, Co. Meath · Roll 18044T 524
−22.7%
23.6 −122 50
St Josephs N S Arklow, Co. Wicklow · Roll 17181B 500
−24.5%
22.1 −221 52
Scoil Padraig Naofa B Blackrock, Co. Dublin · Roll 19258U Boys 499
−22.9%
23.5 −121 53
St Cronans Junior National School Swords, Co. Dublin · Roll 19456B 498
−21.6%
24.3 −120 123
Scoil Mhichil Naofa Athy, Co. Kildare · Roll 18288B DEIS 496
−25.9%
18.5 −124 62
Presentation Primary School Portarlington, Co. Laois · Roll 15556I 496
−31.4%
22.5 −121 56
St Patricks BNS Clane, Co. Kildare · Roll 19796C Boys 488
−1.2%
25.1 −119 70
Scoil Bhríde Primary School Edenderry, Co. Offaly · Roll 20267F DEIS 480
−13.0%
21.1 −121 48
St Patricks GNS Dublin 18 · Roll 19259W Girls 478
−15.2%
23.9 −120 51
St Patrick GNS Dublin 16 · Roll 19114T 472
−8.5%
23.4 −120 91
Scoil Ghobnatan Mallow, Co. Cork · Roll 19256Q DEIS 470
−19.1%
22.1 −120 48
Dunboyne Senior N S Dunboyne, Co. Meath · Roll 20033D 470
−13.6%
25.8 −218 0
Scoil Chorbain Naas, Co. Kildare · Roll 17254C Boys 460
+4.1%
23.0 −120 39
Showing 25 of 45 Show 20 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.