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S N BRIGHDE

Roll number: 17759J Mionlach, An Caisleán Gearr, Co. na Gaillimhe

School details

Address: Mionlach, An Caisleán Gearr, Co. na Gaillimhe (H91YD63)
Email: [email protected]
Phone: 091762323
Principal: Máire De Brún
Ethos: Catholic
DEIS: N
Irish classification: All subjects through Irish
Gaeltacht: Y
Island: N
Local authority: Galway County Council
School patron: Bishop of Galway, Kilmacduagh & Kilfenora
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Galway City

Class size history

Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.

Average class size

19.67

2025/26

Mainstream classes

2025/26

Largest class group

2025/26

Classes with 30+ pupils

2025/26

Class group metrics trend

Class group metrics by year

Year	Mainstream class pupils	Mainstream classes	Average class size	Largest class	Classes 30+
2006/07	119	5	23.80	29	0
2007/08	119	5	23.80	34	1
2008/09	131	5	26.20	31	1
2009/10	127	5	25.40	28	0
2010/11	135	5	27.00	29	0
2011/12	146	5	29.20	38	1
2012/13	139	6	23.17	28	0
2013/14	143	6	23.83	29	0
2014/15	154	6	25.67	32	1
2015/16	167	6	27.83	30	1
2016/17	171	6	28.50	39	2
2017/18	190	7	27.14	39	3
2019/20	170	7	24.29	31	1
2020/21	156	7	22.29	28	0
2021/22	140	7	20.00	29	0
2022/23	141	6	23.50	29	0
2023/24	133	6	22.17	29	0
2024/25	125	6	20.83	28	0
2025/26	118	6	19.67	26	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2017/18: 171 in 2016/17 → 190, +19 pupils.
Biggest loss in a single year: 2021/22: 156 in 2020/21 → 140, -16 pupils.
Largest single-class increase: 2nd Class in 2022/23 (17 → 29, +12).
Largest single-class decrease: Senior Infants in 2021/22 (28 → 11, -17).
Largest cohort-step gain: 3rd → 4th in 2025/26 (11 → 14, +3).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (13 → 9, -4).
Overall: 55 (1975/76) → 130 (2025/26), 75.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available final by-standard years.

Class	Min	Max	Mean	Years
Junior Infants	7	19	13.3	6
Senior Infants	11	28	17.8	6
1st Class	12	29	18.8	6
2nd Class	12	29	17.0	6
3rd Class	9	28	16.8	6
4th Class	14	28	18.3	6
5th Class	14	26	19.2	6
6th Class	15	23	18.5	6
Total	55	190	121.0	42

Total enrolment over time

Total and gender trends use historical records where available. Class-level data starts in 2020/21.

Enrolment by gender over time

Enrolment by class over time

Cohort progression

Base cohort:

Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).

Cohort 2020/21

JI 2020/21 11

SI 2021/22 11

1st 2022/23 12

2nd 2023/24 12

-1

3rd 2024/25 11

4th 2025/26 14

Cohort 2021/22

JI 2021/22 13

SI 2022/23 13

-1

1st 2023/24 12

2nd 2024/25 13

-4

3rd 2025/26 9

Cohort 2022/23

JI 2022/23 17

SI 2023/24 18

-1

1st 2024/25 17

2nd 2025/26 18

Cohort 2023/24

JI 2023/24 19

SI 2024/25 22

1st 2025/26 23

Cohort 2024/25

JI 2024/25 13

SI 2025/26 15

Cohort 2025/26

JI 2025/26 7

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	55
1976/77	30	31	–	–	–	–	–	–	–	–	61
1977/78	32	34	–	–	–	–	–	–	–	–	66
1978/79	–	–	–	–	–	–	–	–	–	–	67
1979/80	41	42	–	–	–	–	–	–	–	–	83
1980/81	41	46	–	–	–	–	–	–	–	–	87
1981/82	50	46	–	–	–	–	–	–	–	–	96
1982/83	50	44	–	–	–	–	–	–	–	–	94
1983/84	50	56	–	–	–	–	–	–	–	–	106
1993/94	50	63	–	–	–	–	–	–	–	–	113
1994/95	52	61	–	–	–	–	–	–	–	–	113
1995/96	49	56	–	–	–	–	–	–	–	–	105
1996/97	50	57	–	–	–	–	–	–	–	–	107
1997/98	47	56	–	–	–	–	–	–	–	–	103
1998/99	48	58	–	–	–	–	–	–	–	–	106
1999/00	50	59	–	–	–	–	–	–	–	–	109
2000/01	51	62	–	–	–	–	–	–	–	–	113
2001/02	54	66	–	–	–	–	–	–	–	–	120
2002/03	51	60	–	–	–	–	–	–	–	–	111
2003/04	58	54	–	–	–	–	–	–	–	–	112
2004/05	63	50	–	–	–	–	–	–	–	–	113
2005/06	65	49	–	–	–	–	–	–	–	–	114
2006/07	67	52	–	–	–	–	–	–	–	–	119
2007/08	64	55	–	–	–	–	–	–	–	–	119
2008/09	70	61	–	–	–	–	–	–	–	–	131
2009/10	68	59	–	–	–	–	–	–	–	–	127
2010/11	75	60	–	–	–	–	–	–	–	–	135
2011/12	74	72	–	–	–	–	–	–	–	–	146
2012/13	68	71	–	–	–	–	–	–	–	–	139
2013/14	68	75	–	–	–	–	–	–	–	–	143
2014/15	71	83	–	–	–	–	–	–	–	–	154
2015/16	81	86	–	–	–	–	–	–	–	–	167
2016/17	86	85	–	–	–	–	–	–	–	–	171
2017/18	98	92	–	–	–	–	–	–	–	–	190
2018/19	92	84	–	–	–	–	–	–	–	–	176
2019/20	83	87	–	–	–	–	–	–	–	–	170
2020/21	78	78	11	28	20	13	21	19	21	23	156
2021/22	73	67	13	11	29	17	14	19	18	19	140
2022/23	74	67	17	13	12	29	18	14	21	17	141
2023/24	72	66	19	18	12	12	28	16	14	19	138
2024/25	66	69	13	22	17	13	11	28	15	15	135
2025/26	57	73	7	15	23	18	9	14	26	18	130