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151 schools in Co. Mayo · 2025/26

pupils: 14,772
junior infants: 1,734
in 13 all-Irish schools: 1,152 7.8%
class teachers · 5 gained one · 6 lost one since 2024/25: 694 +69 since 2015/16
together since 2015/16 (about this figure) The 140 schools with figures for both years had 12,653 pupils in 2015/16 and have 13,136 now. Schools that have closed, and newer schools, aren’t counted.: +3.8%

Over 10 years

55 grew · 31 steady · 54 fell · 11 newer

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Castlebar Primary School Castlebar
864 pupils From 2022/23
St. Josephs N. S. Ballinrobe
451 pupils +17.4% over 10 years
Scoil Iosa BallyhaunisDEIS
385 pupils +19.6% over 10 years
Breaffy N S CastlebarDEIS
377 pupils −12.9% over 10 years
Quignamanger N S Ballina
364 pupils +33.3% over 10 years
Scoil Phadraig Westport
338 pupils +7.3% over 10 years
Claremorris National School Claremorris
314 pupils From 2024/25
Cullens N S BallinaDEIS
273 pupils +0.4% over 10 years
St Peters NS Castlebar
271 pupils −8.8% over 10 years
Foxford Central NS Foxford
271 pupils −0.7% over 10 years
S N Athracht Nfa Charlestown
268 pupils +76.3% over 10 years
Kiltimagh Central Kiltimagh
262 pupils +8.7% over 10 years
Newport Central Baile Ui BhfiachainDEIS
243 pupils +39.7% over 10 years
Scoil Íosa BallinaSome subjects through IrishDEIS
242 pupils +21.0% over 10 years
Crossmolina N.S. Crossmolina
235 pupils +25.0% over 10 years
Scoil Cholmcille Ballina
231 pupils −2.1% over 10 years
Gaelscoil Raifteirí Caislean An BharraighGaelscoil
229 pupils −9.5% over 10 years
Beheymore N S BallinaDEIS
228 pupils +13.4% over 10 years
Ballyvary Central N S Castlebar
223 pupils +21.9% over 10 years
St Joseph's NS BallinaDEIS
217 pupils −1.4% over 10 years
Gaelscoil na Cuaiche Cathair na MartGaelscoil
208 pupils −3.7% over 10 years
Barnacarroll Central NS Claremorris
208 pupils +84.1% over 10 years
S N Naomh Colm Cille Westport
206 pupils −0.5% over 10 years
S N Cnoc Ruscaighe WestportDEIS
206 pupils +15.7% over 10 years
Scoil Naisiunta Balla Aluinn Balla
202 pupils +21.7% over 10 years
Swinford NS SwinfordDEIS
200 pupils +11.1% over 10 years
Beacan Mixed N S Claremorris
177 pupils +18.0% over 10 years
Knock N S ClaremorrisDEIS
152 pupils +16.0% over 10 years
S N Naomh Padraig BallinaDEIS
148 pupils −21.3% over 10 years
Brackloon N S WestportDEIS
145 pupils +26.1% over 10 years
Gaelscoil na gCeithre Maol Béal an ÁthaGaelscoilDEIS
141 pupils +30.6% over 10 years
SN na hAille Ballinrobe
140 pupils +32.1% over 10 years
Ballindine B N S Claremorris
138 pupils +14.0% over 10 years
S N Faitche WestportDEIS
137 pupils +67.1% over 10 years
SN Muine Chonallain BallinaDEIS
133 pupils +121.7% over 10 years
S N Padraig Naofa LouisburghDEIS
133 pupils −16.4% over 10 years
SN Croi Muire BelmulletDEISGaeltacht
127 pupils +22.1% over 10 years
Robeen Central N S Hollymount
127 pupils +126.8% over 10 years
St Patricks Central NS Claremorris
117 pupils +17.0% over 10 years
Castlebar Educate Together National School CastlebarMulti-denominational
113 pupils Opened 2016/17
Ballintubber N S Claremorris
113 pupils +25.6% over 10 years
St Josephs N S Castlebar
111 pupils +22.0% over 10 years
S N Beal Caradh Castlebar
109 pupils −23.2% over 10 years
S N Uileog de Burca Clár Chlainne MhuirisGaelscoil
105 pupils −10.3% over 10 years
S N Brighde BallyhaunisDEIS
103 pupils −9.6% over 10 years
Myna N S WestportDEIS
102 pupils −19.7% over 10 years
S N Naomh Sheosamh Shrule
99 pupils −1.0% over 10 years
Scoil na gCoillini Swinford
97 pupils −3.0% over 10 years
SN Beal Atha na hEin Castlebar
95 pupils +30.1% over 10 years
Scoil Náisiúnta Thuar Mhic Éadaigh TuarmhicéadaighGaelscoilGaeltacht
94 pupils +36.2% over 10 years
St Marys N S BallyhaunisDEIS
93 pupils −6.1% over 10 years
St Paul's National School CastlebarDEIS
89 pupils +25.4% over 10 years
Carracastle Central NS BallaghaderreenDEIS
88 pupils +37.5% over 10 years
Mount Pleasant N S Claremorris
86 pupils +2.4% over 10 years
Killala N S KillalaDEIS
85 pupils −28.0% over 10 years
Scoil Naisiunta Thola Claremorris
84 pupils −25.7% over 10 years
S N Mainistir Muigheo Claremorris
84 pupils +29.2% over 10 years
Scoil Chomain Naofa Hollymount
82 pupils −21.2% over 10 years
Meelickmore N S Claremorris
81 pupils +19.1% over 10 years
Corclough NS BelmulletGaelscoilDEISGaeltacht
79 pupils +3.9% over 10 years
S N Realt na Mara MulrannyDEIS
77 pupils +37.5% over 10 years
S N Leath Ardan Beal Atha Na Fheadha
76 pupils +1.3% over 10 years
S N Gort Sceiche Hollymount
75 pupils +29.3% over 10 years
S N Chluain Luifin Ballinrobe
75 pupils +5.6% over 10 years
Ardagh National School BallinaSome subjects through Irish
73 pupils From 2023/24
Irishtown N S Claremorris
70 pupils 0.0% over 10 years
SN Inbhear BallinaDEISGaeltacht
67 pupils +103.0% over 10 years
Scoil Naomh Brid BallycastleDEIS
67 pupils −2.9% over 10 years
S N Teaghlaigh Naofa Louisburgh Co MayoDEIS
67 pupils +6.3% over 10 years
SN an Trian Lair Swinford
66 pupils −10.8% over 10 years
S N Lainn Cille Cathair Na MartDEIS
66 pupils −1.5% over 10 years
S N B Curnanool Castlebar
66 pupils +57.1% over 10 years
S N Naomh Padraig Saile AcaillGaelscoilDEISGaeltacht
65 pupils +51.2% over 10 years
Kilmurry NS CrossmolinaDEIS
65 pupils From 2018/19
SN Gleann A Chaisil BallinaSome subjects through IrishDEISGaeltacht
64 pupils +12.3% over 10 years

151 schools in Co. Mayo
School	Pupils	Since 2015/16	Average class	Class teacherschange on 2024/25	Junior infants
Castlebar Primary School Castlebar, Co. Mayo · Roll 20562H	864	–	25.0	+1 on 2024/2534	97
St. Josephs N. S. Ballinrobe, Co. Mayo · Roll 20089H	451	+17.4%	24.3	18	45
Scoil Iosa Ballyhaunis, Co. Mayo · Roll 20142I DEIS	385	+19.6%	18.8	20	43
Breaffy N S Castlebar, Co. Mayo · Roll 13781F DEIS	377	−12.9%	22.8	16	44
Quignamanger N S Ballina, Co. Mayo · Roll 15257V	364	+33.3%	24.3	15	45
Scoil Phadraig Westport, Co. Mayo · Roll 20230F	338	+7.3%	24.1	−2 on 2024/2514	35
Claremorris National School Claremorris, Co. Mayo · Roll 20585T	314	–	20.5	+1 on 2024/2515	34
Cullens N S Ballina, Co. Mayo · Roll 07054L DEIS	273	+0.4%	23.8	11	43
St Peters NS Castlebar, Co. Mayo · Roll 19916J	271	−8.8%	22.6	12	27
Foxford Central NS Foxford, Co. Mayo · Roll 19812U	271	−0.7%	24.6	11	32
S N Athracht Nfa Charlestown, Co. Mayo · Roll 18003F	268	+76.3%	29.5	8	40
Kiltimagh Central Kiltimagh, Co. Mayo · Roll 19903A	262	+8.7%	26.2	10	39
Newport Central Baile Ui Bhfiachain, Co. Mayo · Roll 19451O DEIS	243	+39.7%	22.5	10	38
Scoil Íosa Ballina, Co. Mayo · Roll 20275E Some subjects through IrishDEIS	242	+21.0%	17.6	13	27
Crossmolina N.S. Crossmolina, Co. Mayo · Roll 20125I	235	+25.0%	25.6	9	26
Scoil Cholmcille Ballina, Co. Mayo · Roll 15555G	231	−2.1%	25.1	−1 on 2024/259	24
Gaelscoil Raifteirí Caislean An Bharraigh, Co. Mayo · Roll 19832D Gaelscoil	229	−9.5%	25.4	9	32
Beheymore N S Ballina, Co. Mayo · Roll 11725I DEIS	228	+13.4%	27.8	8	27
Ballyvary Central N S Castlebar, Co. Mayo · Roll 19402B	223	+21.9%	26.6	8	36
St Joseph's NS Ballina, Co. Mayo · Roll 18561Q DEIS	217	−1.4%	22.1	9	24
Gaelscoil na Cuaiche Cathair na Mart, Co. Mayo · Roll 20046M Gaelscoil	208	−3.7%	26.0	8	26
Barnacarroll Central NS Claremorris, Co. Mayo · Roll 19710M	208	+84.1%	26.0	8	23
S N Naomh Colm Cille Westport, Co. Mayo · Roll 13145A	206	−0.5%	25.8	8	26
S N Cnoc Ruscaighe Westport, Co. Mayo · Roll 18712L DEIS	206	+15.7%	22.2	8	30
Scoil Naisiunta Balla Aluinn Balla, Co. Mayo · Roll 17119T	202	+21.7%	24.5	8	26
Swinford NS Swinford, Co. Mayo · Roll 19951L DEIS	200	+11.1%	24.2	8	22
Beacan Mixed N S Claremorris, Co. Mayo · Roll 13659I	177	+18.0%	25.3	7	27
Knock N S Claremorris, Co. Mayo · Roll 16122D DEIS	152	+16.0%	22.3	6	11
S N Naomh Padraig Ballina, Co. Mayo · Roll 12206M DEIS	148	−21.3%	24.7	6	25
Brackloon N S Westport, Co. Mayo · Roll 04796R DEIS	145	+26.1%	23.3	6	12
Gaelscoil na gCeithre Maol Béal an Átha, Co. Mayo · Roll 20084U GaelscoilDEIS	141	+30.6%	20.1	7	9
SN na hAille Ballinrobe, Co. Mayo · Roll 12350T	140	+32.1%	23.3	6	14
Ballindine B N S Claremorris, Co. Mayo · Roll 01676P	138	+14.0%	27.6	5	19
S N Faitche Westport, Co. Mayo · Roll 13555T DEIS	137	+67.1%	27.4	5	18
SN Muine Chonallain Ballina, Co. Mayo · Roll 13667H DEIS	133	+121.7%	26.6	5	16
S N Padraig Naofa Louisburgh, Co. Mayo · Roll 20037L DEIS	133	−16.4%	20.8	6	8
SN Croi Muire Belmullet, Co. Mayo · Roll 17727T DEISGaeltacht	127	+22.1%	25.4	5	0
Robeen Central N S Hollymount, Co. Mayo · Roll 19394F	127	+126.8%	25.4	5	12
St Patricks Central NS Claremorris, Co. Mayo · Roll 19911W	117	+17.0%	22.4	5	6
Castlebar Educate Together National School Castlebar, Co. Mayo · Roll 20457K Multi-denominational	113	–	22.6	−2 on 2024/255	11
Ballintubber N S Claremorris, Co. Mayo · Roll 07374G	113	+25.6%	27.0	4	17
St Josephs N S Castlebar, Co. Mayo · Roll 13152U	111	+22.0%	21.0	5	14
S N Beal Caradh Castlebar, Co. Mayo · Roll 17585C	109	−23.2%	21.8	5	8
S N Uileog de Burca Clár Chlainne Mhuiris, Co. Mayo · Roll 19972T Gaelscoil	105	−10.3%	21.0	5	12
S N Brighde Ballyhaunis, Co. Mayo · Roll 16756V DEIS	103	−9.6%	20.6	5	8
Myna N S Westport, Co. Mayo · Roll 16618J DEIS	102	−19.7%	25.5	4	11
S N Naomh Sheosamh Shrule, Co. Mayo · Roll 16984L	99	−1.0%	24.8	4	10
Scoil na gCoillini Swinford, Co. Mayo · Roll 02912G	97	−3.0%	24.2	4	8
SN Beal Atha na hEin Castlebar, Co. Mayo · Roll 13444K	95	+30.1%	23.8	4	12
Scoil Náisiúnta Thuar Mhic Éadaigh Tuarmhicéadaigh, Co. Mayo · Roll 20256A GaelscoilGaeltacht	94	+36.2%	23.5	4	13
St Marys N S Ballyhaunis, Co. Mayo · Roll 15030Q DEIS	93	−6.1%	23.2	4	10
St Paul's National School Castlebar, Co. Mayo · Roll 17562N DEIS	89	+25.4%	22.2	4	10
Carracastle Central NS Ballaghaderreen, Co. Mayo · Roll 19651W DEIS	88	+37.5%	22.0	4	16
Mount Pleasant N S Claremorris, Co. Mayo · Roll 13500R	86	+2.4%	21.5	4	9
Killala N S Killala, Co. Mayo · Roll 16811D DEIS	85	−28.0%	20.0	4	11
Scoil Naisiunta Thola Claremorris, Co. Mayo · Roll 19914F	84	−25.7%	21.0	4	14
S N Mainistir Muigheo Claremorris, Co. Mayo · Roll 14205U	84	+29.2%	21.0	4	11
Scoil Chomain Naofa Hollymount, Co. Mayo · Roll 17082W	82	−21.2%	20.5	4	14
Meelickmore N S Claremorris, Co. Mayo · Roll 12173A	81	+19.1%	20.2	4	7
Corclough NS Belmullet, Co. Mayo · Roll 15014S GaelscoilDEISGaeltacht	79	+3.9%	19.8	4	7
S N Realt na Mara Mulranny, Co. Mayo · Roll 17176I DEIS	77	+37.5%	19.2	4	12
S N Leath Ardan Beal Atha Na Fheadha, Co. Mayo · Roll 16911H	76	+1.3%	19.0	+1 on 2024/254	11
S N Gort Sceiche Hollymount, Co. Mayo · Roll 18880J	75	+29.3%	18.8	4	8
S N Chluain Luifin Ballinrobe, Co. Mayo · Roll 18922W	75	+5.6%	18.8	+1 on 2024/254	6
Ardagh National School Ballina, Co. Mayo · Roll 20576S Some subjects through Irish	73	–	18.2	4	7
Irishtown N S Claremorris, Co. Mayo · Roll 14808E	70	0.0%	23.3	3	13
SN Inbhear Ballina, Co. Mayo · Roll 12568A DEISGaeltacht	67	+103.0%	22.3	3	9
Scoil Naomh Brid Ballycastle, Co. Mayo · Roll 14290O DEIS	67	−2.9%	22.3	3	5
S N Teaghlaigh Naofa Louisburgh Co Mayo · Roll 19324H DEIS	67	+6.3%	21.0	−1 on 2024/253	3
SN an Trian Lair Swinford, Co. Mayo · Roll 13389F	66	−10.8%	22.0	3	8
S N Lainn Cille Cathair Na Mart, Co. Mayo · Roll 16904K DEIS	66	−1.5%	22.0	3	7
S N B Curnanool Castlebar, Co. Mayo · Roll 14497N	66	+57.1%	22.0	3	11
S N Naomh Padraig Saile Acaill, Co. Mayo · Roll 16052I GaelscoilDEISGaeltacht	65	+51.2%	21.7	3	9
Kilmurry NS Crossmolina, Co. Mayo · Roll 20513R DEIS	65	–	16.2	4	5
SN Gleann A Chaisil Ballina, Co. Mayo · Roll 13222P Some subjects through IrishDEISGaeltacht	64	+12.3%	16.3	3	10

Showing 75 of 151 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.