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S N Chlair na Gaillimhe

Roll number: 16804G Lakeview, Claregalway, Co. Galway

School details

Address: Lakeview, Claregalway, Co. Galway (H91C6D0)
Email: [email protected]
Phone: 091798720
Principal: Sheila Hession (Acting)
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: Y
Island: N
Local authority: Galway County Council
School patron: Bishop of Galway, Kilmacduagh & Kilfenora
School type: Ordinary
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

23.92

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	328	12	27.33	34	5
2007/08	346	12	28.83	35	7
2008/09	341	13	26.23	35	5
2009/10	333	13	25.62	32	2
2010/11	350	13	26.92	35	4
2011/12	349	13	26.85	34	5
2012/13	335	13	25.77	33	4
2013/14	347	12	28.92	32	6
2014/15	343	13	26.38	30	1
2015/16	342	13	26.31	31	3
2016/17	336	13	25.85	33	3
2017/18	331	13	25.46	36	3
2019/20	315	13	24.23	30	2
2020/21	323	12	26.92	33	5
2021/22	314	15	20.93	34	1
2022/23	329	13	25.31	30	1
2023/24	329	13	25.31	30	3
2024/25	313	13	24.08	31	1
2025/26	311	13	23.92	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 244 in 1983/84 → 302, +58 pupils.
Biggest loss in a single year: 1998/99: 310 in 1997/98 → 290, -20 pupils.
Largest single-class increase: 1st Class in 2022/23 (25 → 44, +19).
Largest single-class decrease: 6th Class in 2021/22 (54 → 43, -11).
Largest cohort-step gain: SI → 1st in 2023/24 (41 → 47, +6).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (43 → 40, -3).
Overall: 135 (1975/76) → 311 (2025/26), 176.

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	37	45	40.8	6
Senior Infants	26	43	38.3	6
1st Class	25	47	38.7	6
2nd Class	30	45	39.0	6
3rd Class	30	44	39.0	6
4th Class	28	47	39.5	6
5th Class	28	47	39.8	6
6th Class	38	54	44.7	6
Total	135	350	290.5	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 40

SI 2021/22 41

1st 2022/23 44

-1

2nd 2023/24 43

-3

3rd 2024/25 40

4th 2025/26 41

Cohort 2021/22

JI 2021/22 41

SI 2022/23 41

1st 2023/24 47

-2

2nd 2024/25 45

-1

3rd 2025/26 44

Cohort 2022/23

JI 2022/23 41

SI 2023/24 41

-2

1st 2024/25 39

2nd 2025/26 43

Cohort 2023/24

JI 2023/24 45

-2

SI 2024/25 43

-1

1st 2025/26 42

Cohort 2024/25

JI 2024/25 41

-3

SI 2025/26 38

Cohort 2025/26

JI 2025/26 37

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	135
1976/77	64	86	–	–	–	–	–	–	–	–	150
1977/78	68	89	–	–	–	–	–	–	–	–	157
1978/79	–	–	–	–	–	–	–	–	–	–	177
1979/80	84	105	–	–	–	–	–	–	–	–	189
1980/81	92	109	–	–	–	–	–	–	–	–	201
1981/82	104	112	–	–	–	–	–	–	–	–	216
1982/83	109	124	–	–	–	–	–	–	–	–	233
1983/84	121	123	–	–	–	–	–	–	–	–	244
1993/94	142	160	–	–	–	–	–	–	–	–	302
1994/95	139	163	–	–	–	–	–	–	–	–	302
1995/96	131	164	–	–	–	–	–	–	–	–	295
1996/97	132	168	–	–	–	–	–	–	–	–	300
1997/98	139	171	–	–	–	–	–	–	–	–	310
1998/99	136	154	–	–	–	–	–	–	–	–	290
1999/00	136	155	–	–	–	–	–	–	–	–	291
2000/01	136	152	–	–	–	–	–	–	–	–	288
2001/02	132	148	–	–	–	–	–	–	–	–	280
2002/03	131	152	–	–	–	–	–	–	–	–	283
2003/04	139	166	–	–	–	–	–	–	–	–	305
2004/05	153	160	–	–	–	–	–	–	–	–	313
2005/06	140	156	–	–	–	–	–	–	–	–	296
2006/07	157	171	–	–	–	–	–	–	–	–	328
2007/08	169	177	–	–	–	–	–	–	–	–	346
2008/09	172	169	–	–	–	–	–	–	–	–	341
2009/10	160	173	–	–	–	–	–	–	–	–	333
2010/11	172	178	–	–	–	–	–	–	–	–	350
2011/12	176	173	–	–	–	–	–	–	–	–	349
2012/13	165	170	–	–	–	–	–	–	–	–	335
2013/14	168	179	–	–	–	–	–	–	–	–	347
2014/15	161	182	–	–	–	–	–	–	–	–	343
2015/16	150	192	–	–	–	–	–	–	–	–	342
2016/17	140	196	–	–	–	–	–	–	–	–	336
2017/18	132	199	–	–	–	–	–	–	–	–	331
2018/19	136	195	–	–	–	–	–	–	–	–	331
2019/20	129	186	–	–	–	–	–	–	–	–	315
2020/21	141	182	40	26	35	37	43	47	41	54	323
2021/22	140	174	41	41	25	36	36	45	47	43	314
2022/23	146	183	41	41	44	30	41	37	46	49	329
2023/24	158	171	45	41	47	43	30	39	38	46	329
2024/25	159	154	41	43	39	45	40	28	39	38	313
2025/26	160	151	37	38	42	43	44	41	28	38	311