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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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Boys, girls or mixed
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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%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
St Thomas Junior National School Lucan, Co. Dublin · Roll 19542R 573
+3.1%
25.8 +122 150
St Clares Primary School Cavan · Roll 08490N DEIS 548
+4.8%
18.7 +129 94
Ovens N S Ovens, Co. Cork · Roll 17251T 466
+9.1%
25.9 +118 60
Scoil Ui Fhiaich Maigh Nuad, Co. Kildare · Roll 20058T Gaelscoil 459
−4.2%
24.2 +119 56
S N Muire gan Smal Ballinasloe, Co. Galway · Roll 17198S 445
+7.2%
23.4 +119 53
St Fintans NS Dublin 13 · Roll 19549I 431
−8.3%
23.9 +118 46
Gaelscoil Thaobh na Coille Baile Átha Cliath 18, Co. Dublin · Roll 20020R Gaelscoil 402
−9.0%
23.6 +117 50
St Columbas Con G & I Dublin 9 · Roll 16659A 378
−5.0%
23.6 +116 45
St Marys School Dublin 24 · Roll 18411U 349
−9.1%
24.9 +114 45
Scoil na Mainistreach Quin Dangan Quin, Co. Clare · Roll 20476O 330
+5.1%
24.5 +113 37
St Davids N S Dublin 5 · Roll 19919P DEIS 308
−1.9%
23.2 +112 48
Scoil Náisíunta Naomh Feichín Drogheda, Co. Louth · Roll 16208N 307
+4.1%
22.7 +113 31
S N Mhuire Senior School Blessington, Co. Wicklow · Roll 20110S 296
+3.5%
22.8 +113 0
S N Cnoc an Mharcaigh Longford · Roll 07518E 289
+7.8%
24.1 +112 36
Gaelscoil Chill Mhantáin Ráth Naoi, Co. Wicklow · Roll 20045K GaelscoilInter-denominational 285
+4.0%
22.9 +212 63
Scoil Chaitlin Maude Baile Átha Cliath 24, Co. Dublin · Roll 19872P GaelscoilMulti-denominationalDEIS 284
−9.3%
17.1 +116 32
Presentation Primary School Limerick · Roll 20018H DEIS 279
+4.5%
19.1 +114 43
St John the Baptist Boys School Cashel, Co. Tipperary · Roll 20155R BoysDEIS 268
−3.6%
19.7 +213 24
Glenswilly N S Letterkenny, Co. Donegal · Roll 19313C 262
−5.4%
23.3 +111 31
S N Baile an Bhuitléirigh Butlerstown, Co. Waterford · Roll 14679T 242
−4.3%
23.6 +110 29
St. Colmcille's N.S. Mullingar, Co. Westmeath · Roll 16838A 239
+1.7%
25.6 +19 32
S N an Droim Mor Lifford, Co. Donegal · Roll 16349I DEIS 229
+9.0%
22.1 +19 42
Scoil Éanna Ballybay, Co. Monaghan · Roll 20174V DEIS 228
−3.8%
25.3 +19 25
Roxboro N S Derrane, Co. Roscommon · Roll 18742U 226
+9.2%
25.1 +19 34
St Josephs Convent Newcastle West, Co. Limerick · Roll 12975N DEIS 225
−2.2%
18.9 +111 35
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.