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Filtered by Co. Dublin 9 to 16 class teachers Clear all

227 schools in Co. Dublin · 2025/26

pupils
66,301
junior infants
7,461
in 20 all-Irish schools
5,791 8.7%
class teachers · 22 gained one · 48 lost one since 2024/25
2,966 +173 since 2015/16
together since 2015/16

The 204 schools with figures for both years had 65,591 pupils in 2015/16 and have 58,508 now. Schools that have closed, and newer schools, aren’t counted.

−10.8%
Over 10 years

29 grew · 64 steady · 111 fell · 23 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. Gaelscoil Bhrian Bóroimhe SordGaelscoilInter-denominational
    441 −7.0%
  2. St. Francis of Assisi National School Dublin 13
    434 +11.3%
  3. Adamstown Castle Educate Together National School AdamstownMulti-denominational
    431 +8.0%
  4. S N San Treasa Mount Merrion
    430 −5.7%
  5. Mary Mother of Hope Senior NS Dublin 15
    429 −7.7%
  6. St. John the Evangelist National School Adamstown Castle
    417 +16.5%
  7. Lucan East ETNS LucanMulti-denominationalDEIS
    416 −10.2%
  8. Monkstown Eucate Together NS Dun LaoghaireMulti-denominational
    415 −5.3%
  9. Donabate/Portrane Educate Together NS DonabateMulti-denominational
    414 −16.0%
  10. Citywest & Saggart Community National School Dublin 24Multi-denominational
    413 +90.3%
  11. Belmayne Educate Together National School Dublin 13Multi-denominationalDEIS
    413 +4.8%
  12. Glasnevin Educate Together NS Dublin 11Multi-denominational
    410 +73.7%
  13. Our lady's Grove Primary School Dublin 14
    409 −6.2%
  14. Grace Park Educate Together National School Dublin 9Multi-denominational
    409 Opened 2016/17
  15. St Brigids Convent Dublin 11Girls
    406 −12.5%
  16. St Brigids Boys N S Dublin 18Boys
    406 −20.9%
  17. Griffith Barracks Multi D School Dublin 8Multi-denominational
    403 +60.6%
  18. Ballinteer Educate Together National School Dublin 16Multi-denominational
    399 +121.7%
  19. Our Lady Good Counsel GNS Dun Laoghaire
    398 −13.5%
  20. Harolds Cross N S Dublin 6WDEIS
    398 +24.0%
  21. Corpus Christi N S Dublin 9
    398 −11.8%
  22. Holy Trinity Sen N S Dublin 13
    397 +14.4%
  23. S N Muire agus Iosef Dublin 13
    396 −7.9%
  24. Swords Educate Together NS SwordsMulti-denominational
    394 −10.7%
  25. Rush and Lusk Educate Together NS LuskMulti-denominational
    393 −2.2%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
Gaelscoil Bhrian Bóroimhe Sord, Co. Dublin · Roll 20095C GaelscoilInter-denominational 441
−7.0%
27.6 16 58
St. Francis of Assisi National School Dublin 13 · Roll 20304I 434
+11.3%
27.1 16 49
Adamstown Castle Educate Together National School Adamstown, Co. Dublin · Roll 20268H Multi-denominational 431
+8.0%
26.2 16 52
S N San Treasa Mount Merrion, Co. Dublin · Roll 18647D 430
−5.7%
26.9 16 58
Mary Mother of Hope Senior NS Dublin 15 · Roll 20137P 429
−7.7%
26.5 16 0
St. John the Evangelist National School Adamstown Castle, Co. Dublin · Roll 20194E 417
+16.5%
25.9 16 37
Lucan East ETNS Lucan, Co. Dublin · Roll 20303G Multi-denominationalDEIS 416
−10.2%
25.2 16 48
Monkstown Eucate Together NS Dun Laoghaire, Co. Dublin · Roll 20060G Multi-denominational 415
−5.3%
25.6 16 49
Donabate/Portrane Educate Together NS Donabate, Co. Dublin · Roll 20161M Multi-denominational 414
−16.0%
25.1 16 47
Citywest & Saggart Community National School Dublin 24 · Roll 20398U Multi-denominational 413
+90.3%
25.1 16 47
Belmayne Educate Together National School Dublin 13 · Roll 20308Q Multi-denominationalDEIS 413
+4.8%
25.8 16 52
Glasnevin Educate Together NS Dublin 11 · Roll 20168D Multi-denominational 410
+73.7%
24.9 16 53
Our lady's Grove Primary School Dublin 14 · Roll 19374W 409
−6.2%
25.6 16 45
Grace Park Educate Together National School Dublin 9 · Roll 20486R Multi-denominational 409 – 24.8 16 47
St Brigids Convent Dublin 11 · Roll 16577V Girls 406
−12.5%
25.4 −116 38
St Brigids Boys N S Dublin 18 · Roll 16352U Boys 406
−20.9%
25.4 16 49
Griffith Barracks Multi D School Dublin 8 · Roll 20012S Multi-denominational 403
+60.6%
25.2 +116 51
Ballinteer Educate Together National School Dublin 16 · Roll 20400E Multi-denominational 399
+121.7%
24.2 16 47
Our Lady Good Counsel GNS Dun Laoghaire, Co. Dublin · Roll 19321B 398
−13.5%
23.8 16 37
Harolds Cross N S Dublin 6W · Roll 19924I DEIS 398
+24.0%
24.9 16 52
Corpus Christi N S Dublin 9 · Roll 16860Q 398
−11.8%
24.4 16 46
Holy Trinity Sen N S Dublin 13 · Roll 19406J 397
+14.4%
24.1 16 0
S N Muire agus Iosef Dublin 13 · Roll 19533Q 396
−7.9%
24.8 16 0
Swords Educate Together NS Swords, Co. Dublin · Roll 20145O Multi-denominational 394
−10.7%
23.9 16 48
Rush and Lusk Educate Together NS Lusk, Co. Dublin · Roll 20176C Multi-denominational 393
−2.2%
23.9 16 38
Showing 25 of 227 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.