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Filtered by Co. Dublin 3 or 4 class teachers Clear all

34 schools in Co. Dublin · 2025/26

pupils
2,611
junior infants
351
in 4 all-Irish schools
269 10.3%
class teachers · 2 gained one · 3 lost one since 2024/25
126 0 since 2015/16
together since 2015/16

The 29 schools with figures for both years had 2,548 pupils in 2015/16 and have 2,268 now. Schools that have closed, and newer schools, aren’t counted.

−11.0%
Over 10 years

5 grew · 8 steady · 16 fell · 5 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. Cill Coscain The Ward
    107 −1.8%
  2. Dalkey N S (2) DalkeyChurch of Ireland
    101 +1.0%
  3. St Brigids N S StillorganChurch of Ireland
    100 +1.0%
  4. Mary Queen of Ireland N S ToberburrDEIS
    95 +25.0%
  5. Lindsay Road N S Dublin 9Presbyterian
    95 +5.6%
  6. Rathgar N S Dublin 6Methodist
    94 +1.1%
  7. S N Naomh Eoin Dublin 22Church of Ireland
    91 −11.7%
  8. St Columbas N S MXD Dublin 3Church of Ireland
    90 −10.9%
  9. Howth RD MXD N S Dublin 3Presbyterian
    89 −9.2%
  10. Scoil Naisiunta Stratford Dublin 6Jewish
    88 −11.1%
  11. Booterstown N S BlackrockChurch of Ireland
    85 −18.3%
  12. Swords Borough N S SwordsChurch of Ireland
    84 −20.0%
  13. Scoil Moibhi Skerries
    84 −10.6%
  14. Gaelscoil Ghráinne Mhaol Dublin 13GaelscoilMulti-denominational
    84 Opened 2021/22
  15. Scoil Iosagain Boys Senior Dublin 12DEIS
    83 −9.8%
  16. Glasnevin N S Dublin 9Church of Ireland
    83 +10.7%
  17. Corduff N S Lusk
    83 −25.2%
  18. Drumcondra N S Dublin 9Church of Ireland
    81 +37.3%
  19. St Margarets N S Saint Margaret's
    80 −13.0%
  20. Broadmeadow Community National School SwordsMulti-denominational
    80 Opened 2020/21
  21. S N Muire an Sean Baile Oldtown
    78 +18.2%
  22. S N Bhaile Eamonn Dublin 16
    75 −16.7%
  23. Naomh Lorcan O Tuathail Senior Boys Dublin 1BoysDEIS
    69 +7.8%
  24. Baile Falbach Lusk
    69 −23.3%
  25. Scoil Chaoimhin Baile Átha Cliath 1GaelscoilDEIS
    68 +51.1%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
Cill Coscain The Ward, Co. Dublin · Roll 17595F 107
−1.8%
23.8 4 13
Dalkey N S (2) Dalkey, Co. Dublin · Roll 14647G Church of Ireland 101
+1.0%
25.2 4 14
St Brigids N S Stillorgan, Co. Dublin · Roll 16794G Church of Ireland 100
+1.0%
25.0 4 12
Mary Queen of Ireland N S Toberburr, Co. Dublin · Roll 19693P DEIS 95
+25.0%
20.8 4 9
Lindsay Road N S Dublin 9 · Roll 16177F Presbyterian 95
+5.6%
23.8 4 9
Rathgar N S Dublin 6 · Roll 14717B Methodist 94
+1.1%
23.5 4 12
S N Naomh Eoin Dublin 22 · Roll 18642Q Church of Ireland 91
−11.7%
22.8 4 9
St Columbas N S MXD Dublin 3 · Roll 14463T Church of Ireland 90
−10.9%
22.5 −44 4
Howth RD MXD N S Dublin 3 · Roll 13815T Presbyterian 89
−9.2%
22.2 4 11
Scoil Naisiunta Stratford Dublin 6 · Roll 16966J Jewish 88
−11.1%
18.8 4 12
Booterstown N S Blackrock, Co. Dublin · Roll 19901T Church of Ireland 85
−18.3%
21.2 4 12
Swords Borough N S Swords, Co. Dublin · Roll 12358M Church of Ireland 84
−20.0%
21.0 4 9
Scoil Moibhi Skerries, Co. Dublin · Roll 15569R 84
−10.6%
21.0 4 10
Gaelscoil Ghráinne Mhaol Dublin 13 · Roll 20538K GaelscoilMulti-denominational 84 – 21.0 +14 31
Scoil Iosagain Boys Senior Dublin 12 · Roll 17603B DEIS 83
−9.8%
18.0 4 0
Glasnevin N S Dublin 9 · Roll 14980Q Church of Ireland 83
+10.7%
20.8 4 9
Corduff N S Lusk, Co. Dublin · Roll 15650A 83
−25.2%
20.8 4 6
Drumcondra N S Dublin 9 · Roll 15895H Church of Ireland 81
+37.3%
20.2 +14 12
St Margarets N S Saint Margaret's, Co. Dublin · Roll 18038B 80
−13.0%
20.0 4 5
Broadmeadow Community National School Swords, Co. Dublin · Roll 20529J Multi-denominational 80 – 18.5 4 17
S N Muire an Sean Baile Oldtown, Co. Dublin · Roll 17263D 78
+18.2%
22.0 3 13
S N Bhaile Eamonn Dublin 16 · Roll 17953F 75
−16.7%
18.8 4 12
Naomh Lorcan O Tuathail Senior Boys Dublin 1 · Roll 17110B BoysDEIS 69
+7.8%
14.2 4 0
Baile Falbach Lusk, Co. Dublin · Roll 17472M 69
−23.3%
19.0 −13 16
Scoil Chaoimhin Baile Átha Cliath 1, Co. Dublin · Roll 19831B GaelscoilDEIS 68
+51.1%
17.0 4 8
Showing 25 of 34 Show 9 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.