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55 schools in Co. Mayo · 2025/26

pupils
3,700
junior infants
454
in 5 all-Irish schools
363 9.8%
class teachers · 3 gained one · 2 lost one since 2024/25
187 +22 since 2015/16
together since 2015/16 (about this figure)

The 49 schools with figures for both years had 3,227 pupils in 2015/16 and have 3,392 now. Schools that have closed, and newer schools, aren’t counted.

+5.1%
Over 10 years

24 grew · 11 steady · 14 fell · 6 newer

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Change in pupils over 10 years
Average class size
Class teachers
Class teachers since 2024/25
DEIS and islands
  1. Ballintubber N S Claremorris
    113 pupils +25.6% over 10 years
  2. Myna N S WestportDEIS
    102 pupils −19.7% over 10 years
  3. 99 pupils −1.0% over 10 years
  4. 97 pupils −3.0% over 10 years
  5. 95 pupils +30.1% over 10 years
  6. Scoil Náisiúnta Thuar Mhic Éadaigh TuarmhicéadaighGaelscoilGaeltacht
    94 pupils +36.2% over 10 years
  7. St Marys N S BallyhaunisDEIS
    93 pupils −6.1% over 10 years
  8. 89 pupils +25.4% over 10 years
  9. Carracastle Central NS BallaghaderreenDEIS
    88 pupils +37.5% over 10 years
  10. Mount Pleasant N S Claremorris
    86 pupils +2.4% over 10 years
  11. Killala N S KillalaDEIS
    85 pupils −28.0% over 10 years
  12. Scoil Naisiunta Thola Claremorris
    84 pupils −25.7% over 10 years
  13. S N Mainistir Muigheo Claremorris
    84 pupils +29.2% over 10 years
  14. Scoil Chomain Naofa Hollymount
    82 pupils −21.2% over 10 years
  15. Meelickmore N S Claremorris
    81 pupils +19.1% over 10 years
  16. Corclough NS BelmulletGaelscoilDEISGaeltacht
    79 pupils +3.9% over 10 years
  17. S N Realt na Mara MulrannyDEIS
    77 pupils +37.5% over 10 years
  18. S N Leath Ardan Beal Atha Na Fheadha
    76 pupils +1.3% over 10 years
  19. S N Gort Sceiche Hollymount
    75 pupils +29.3% over 10 years
  20. S N Chluain Luifin Ballinrobe
    75 pupils +5.6% over 10 years
  21. Ardagh National School BallinaSome subjects through Irish
    73 pupils From 2023/24
  22. Irishtown N S Claremorris
    70 pupils 0.0% over 10 years
  23. SN Inbhear BallinaDEISGaeltacht
    67 pupils +103.0% over 10 years
  24. Scoil Naomh Brid BallycastleDEIS
    67 pupils −2.9% over 10 years
  25. S N Teaghlaigh Naofa Louisburgh Co MayoDEIS
    67 pupils +6.3% over 10 years
  26. SN an Trian Lair Swinford
    66 pupils −10.8% over 10 years
  27. S N Lainn Cille Cathair Na MartDEIS
    66 pupils −1.5% over 10 years
  28. S N B Curnanool Castlebar
    66 pupils +57.1% over 10 years
  29. S N Naomh Padraig Saile AcaillGaelscoilDEISGaeltacht
    65 pupils +51.2% over 10 years
  30. Kilmurry NS CrossmolinaDEIS
    65 pupils From 2018/19
  31. SN Gleann A Chaisil BallinaSome subjects through IrishDEISGaeltacht
    64 pupils +12.3% over 10 years
  32. S N Eachleime Béal an ÁthaGaelscoilDEISGaeltacht
    64 pupils +48.8% over 10 years
  33. 61 pupils +52.5% over 10 years
  34. S N Toin na Gaoithe Cathair Na MartGaelscoilDEISGaeltacht
    61 pupils +22.0% over 10 years
  35. Newtownwhite Educate Together NS BallinaMulti-denominational
    59 pupils +84.4% over 10 years
  36. S N Beal an Mhuirthead BelmulletDEISGaeltacht
    58 pupils −25.6% over 10 years
  37. Cooneal N.S. Ballina
    58 pupils −45.3% over 10 years
  38. SN NMH Treasa KilkellyDEIS
    57 pupils +83.9% over 10 years
  39. Rathbane N S Ballina
    57 pupils −10.9% over 10 years
  40. 52 pupils +126.1% over 10 years
  41. 51 pupils Opened 2017/18
  42. Kilmovee N S BallaghadereenDEIS
    51 pupils −13.6% over 10 years
  43. Clogher NS ClaremorrisDEIS
    50 pupils +61.3% over 10 years
  44. Muirisc NS Westport
    49 pupils +133.3% over 10 years
  45. Westport Educate Together National School WestportMulti-denominational
    48 pupils Opened 2019/20
  46. S N Achaidh an Ghlaisin Beal An MhuirtheadSome subjects through IrishDEISGaeltacht
    48 pupils +23.1% over 10 years
  47. Kinaffe N S SwinfordDEIS
    48 pupils +585.7% over 10 years
  48. Templemary N S KillalaDEIS
    47 pupils +34.3% over 10 years
  49. S N Naomh Feichin Claremorris
    47 pupils −29.9% over 10 years
  50. 46 pupils From 2020/21
  51. S N Peadar agus Pol FoxfordDEIS
    45 pupils −25.0% over 10 years
  52. S N an Teaghlaigh Caislean An Bharraigh
    45 pupils −48.3% over 10 years
  53. Carraholly N S WestportDEIS
    42 pupils −55.8% over 10 years
  54. Holy Trinity National School WestportChurch of Ireland
    41 pupils −31.7% over 10 years
  55. Lacken National School BallinaSome subjects through IrishDEIS
    25 pupils Opened 2018/19
Showing 55 of 55

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.