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BALLINDERREEN MXD N S

Roll number: 07551C Ballinderreen, Kilcolgan, Co. Galway

School details

Address: Ballinderreen, Kilcolgan, Co. Galway (H91F292)
Email: [email protected]
Phone: 091796632
Principal: Barry Quinn
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
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: Kinvara

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

24.29

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	116	4	29.00	31	3
2007/08	124	5	24.80	31	1
2008/09	130	5	26.00	28	0
2009/10	147	5	29.40	31	3
2010/11	140	6	23.33	26	0
2011/12	155	6	25.83	30	1
2012/13	159	6	26.50	32	3
2013/14	165	6	27.50	29	0
2014/15	178	6	29.67	37	1
2015/16	184	7	26.29	30	1
2016/17	199	7	28.43	34	2
2017/18	208	7	29.71	37	3
2019/20	201	8	25.12	31	1
2020/21	197	8	24.62	30	1
2021/22	193	8	24.12	30	1
2022/23	182	8	22.75	26	0
2023/24	178	7	25.43	33	2
2024/25	176	7	25.14	30	2
2025/26	170	7	24.29	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1982/83: 96 in 1981/82 → 114, +18 pupils.
Biggest loss in a single year: 2000/01: 122 in 1999/00 → 104, -18 pupils.
Largest single-class increase: 3rd Class in 2025/26 (17 → 27, +10).
Largest single-class decrease: 6th Class in 2022/23 (30 → 23, -7).
Largest cohort-step gain: JI → SI in 2025/26 (20 → 25, +5).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (19 → 17, -2).
Overall: 82 (1975/76) → 182 (2025/26), 100.

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	15	23	19.5	6
Senior Infants	17	25	21.0	6
1st Class	19	26	22.0	6
2nd Class	19	28	23.2	6
3rd Class	17	27	23.3	6
4th Class	19	27	23.8	6
5th Class	24	30	25.7	6
6th Class	23	30	26.3	6
Total	82	208	134.9	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 20

SI 2021/22 20

-1

1st 2022/23 19

2nd 2023/24 19

-2

3rd 2024/25 17

4th 2025/26 19

Cohort 2021/22

JI 2021/22 23

SI 2022/23 24

-1

1st 2023/24 23

2nd 2024/25 24

3rd 2025/26 27

Cohort 2022/23

JI 2022/23 21

SI 2023/24 22

1st 2024/25 23

-1

2nd 2025/26 22

Cohort 2023/24

JI 2023/24 18

-1

SI 2024/25 17

1st 2025/26 21

Cohort 2024/25

JI 2024/25 20

SI 2025/26 25

Cohort 2025/26

JI 2025/26 15

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	82
1976/77	44	47	–	–	–	–	–	–	–	–	91
1977/78	40	45	–	–	–	–	–	–	–	–	85
1978/79	–	–	–	–	–	–	–	–	–	–	90
1979/80	37	50	–	–	–	–	–	–	–	–	87
1980/81	38	54	–	–	–	–	–	–	–	–	92
1981/82	40	56	–	–	–	–	–	–	–	–	96
1982/83	47	67	–	–	–	–	–	–	–	–	114
1983/84	43	73	–	–	–	–	–	–	–	–	116
1993/94	52	53	–	–	–	–	–	–	–	–	105
1994/95	51	46	–	–	–	–	–	–	–	–	97
1995/96	47	47	–	–	–	–	–	–	–	–	94
1996/97	51	49	–	–	–	–	–	–	–	–	100
1997/98	55	58	–	–	–	–	–	–	–	–	113
1998/99	58	63	–	–	–	–	–	–	–	–	121
1999/00	57	65	–	–	–	–	–	–	–	–	122
2000/01	53	51	–	–	–	–	–	–	–	–	104
2001/02	50	48	–	–	–	–	–	–	–	–	98
2002/03	56	50	–	–	–	–	–	–	–	–	106
2003/04	57	48	–	–	–	–	–	–	–	–	105
2004/05	53	54	–	–	–	–	–	–	–	–	107
2005/06	59	48	–	–	–	–	–	–	–	–	107
2006/07	64	52	–	–	–	–	–	–	–	–	116
2007/08	69	55	–	–	–	–	–	–	–	–	124
2008/09	69	61	–	–	–	–	–	–	–	–	130
2009/10	73	74	–	–	–	–	–	–	–	–	147
2010/11	67	73	–	–	–	–	–	–	–	–	140
2011/12	77	78	–	–	–	–	–	–	–	–	155
2012/13	80	79	–	–	–	–	–	–	–	–	159
2013/14	84	81	–	–	–	–	–	–	–	–	165
2014/15	89	89	–	–	–	–	–	–	–	–	178
2015/16	89	95	–	–	–	–	–	–	–	–	184
2016/17	95	104	–	–	–	–	–	–	–	–	199
2017/18	102	106	–	–	–	–	–	–	–	–	208
2018/19	105	97	–	–	–	–	–	–	–	–	202
2019/20	103	98	–	–	–	–	–	–	–	–	201
2020/21	102	95	20	18	26	24	25	27	30	27	197
2021/22	104	89	23	20	20	28	22	25	25	30	193
2022/23	97	85	21	24	19	22	26	23	24	23	182
2023/24	94	90	18	22	23	19	23	25	24	24	184
2024/25	94	94	20	17	23	24	17	24	27	25	188
2025/26	94	88	15	25	21	22	27	19	24	29	182