School Numbers
Menu
Find schools Counties Irish-medium Special schools About the data

Find schools

Within
Filtered by Co. Offaly 3 or 4 class teachers Clear all

23 schools in Co. Offaly · 2025/26

pupils
1,796
junior infants
216
in 1 all-Irish school
69 3.8%
class teachers · 0 gained one · 1 lost one since 2024/25
83 −1 since 2015/16
together since 2015/16

The 23 schools with figures for both years had 1,954 pupils in 2015/16 and have 1,796 now. Schools that have closed, and newer schools, aren’t counted.

−8.1%
Over 10 years

5 grew · 6 steady · 12 fell

Filters

Clear all
Boys, girls or mixed
School type
Ethos
Teaching language
Number of pupils
Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. S N Seosamh Moneygall
    108 +54.3%
  2. St Colmans N S Tullamore
    97 −11.0%
  3. S N Seosamh Tullamore
    97 +34.7%
  4. St Marys National School BirrDEIS
    93 +4.5%
  5. S N Osmann BirrChurch of IrelandDEIS
    86 −1.1%
  6. Clonbullogue N S Clonbullogue
    84 −19.2%
  7. S N Chiarain Naofa Clonmacnoise
    83 +9.2%
  8. Naomh Mhuire N S GeashillDEIS
    83 −13.5%
  9. Coolderry Central NS Birr
    82 −10.9%
  10. Clonaghadoo N S Geashill
    81 −29.6%
  11. Castlejordan Central NS TullamoreDEIS
    79 −31.9%
  12. S N Mhuire Bainrioghan Birr
    76 +49.0%
  13. High St Mixed N S Belmont
    73 +9.0%
  14. St Cronans Mixed N S Birr
    72 +7.5%
  15. S N Naomh Brogain RathanaganDEIS
    72 −20.0%
  16. S N Mhuire Blueball
    72 +18.0%
  17. Seir Kierans N S Birr
    71 +20.3%
  18. Scoil Bhride Rhode
    70 −23.9%
  19. S N Naomh Callin Ballinahowen
    69 +7.8%
  20. Gaelscoil Éadan Doire Éadan DoireGaelscoilDEIS
    69 −47.3%
  21. S N Caoimhin Naofa Birr
    67 −23.9%
  22. S N Muire Naofa PulloughDEIS
    64 −31.9%
  23. Edenderry 2 N S EdenderryChurch of Ireland
    48 −25.0%
School Pupils Since 2015/16 Average class Class teacherschange on 2024/25 Junior infants
S N Seosamh Moneygall, Co. Offaly · Roll 17003A 108
+54.3%
27.0 4 14
St Colmans N S Tullamore, Co. Offaly · Roll 19354Q 97
−11.0%
24.2 −14 12
S N Seosamh Tullamore, Co. Offaly · Roll 07191V 97
+34.7%
21.2 4 13
St Marys National School Birr, Co. Offaly · Roll 20068W DEIS 93
+4.5%
23.2 4 9
S N Osmann Birr, Co. Offaly · Roll 07949I Church of IrelandDEIS 86
−1.1%
21.5 4 9
Clonbullogue N S Clonbullogue, Co. Offaly · Roll 15325M 84
−19.2%
21.0 4 5
S N Chiarain Naofa Clonmacnoise, Co. Offaly · Roll 17188P 83
+9.2%
20.8 4 9
Naomh Mhuire N S Geashill, Co. Offaly · Roll 17616K DEIS 83
−13.5%
19.2 4 11
Coolderry Central NS Birr, Co. Offaly · Roll 19638H 82
−10.9%
20.5 4 11
Clonaghadoo N S Geashill, Co. Offaly · Roll 16160L 81
−29.6%
17.2 4 12
Castlejordan Central NS Tullamore, Co. Offaly · Roll 19300Q DEIS 79
−31.9%
19.8 4 10
S N Mhuire Bainrioghan Birr, Co. Offaly · Roll 17336E 76
+49.0%
21.7 3 9
High St Mixed N S Belmont, Co. Offaly · Roll 13191H 73
+9.0%
24.3 3 11
St Cronans Mixed N S Birr, Co. Offaly · Roll 12294M 72
+7.5%
22.0 3 12
S N Naomh Brogain Rathanagan, Co. Offaly · Roll 15983E DEIS 72
−20.0%
16.8 4 9
S N Mhuire Blueball, Co. Offaly · Roll 18795S 72
+18.0%
24.0 3 11
Seir Kierans N S Birr, Co. Offaly · Roll 11203B 71
+20.3%
21.7 3 10
Scoil Bhride Rhode, Co. Offaly · Roll 18690E 70
−23.9%
17.5 4 3
S N Naomh Callin Ballinahowen, Co. Offaly · Roll 16990G 69
+7.8%
23.0 3 6
Gaelscoil Éadan Doire Éadan Doire, Co. Offaly · Roll 20332N GaelscoilDEIS 69
−47.3%
14.2 4 12
S N Caoimhin Naofa Birr, Co. Offaly · Roll 18331W 67
−23.9%
22.3 3 6
S N Muire Naofa Pullough, Co. Offaly · Roll 17069H DEIS 64
−31.9%
19.3 3 7
Edenderry 2 N S Edenderry, Co. Offaly · Roll 15638K Church of Ireland 48
−25.0%
16.0 3 5
Showing 23 of 23

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.