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S N MHUIRE

Roll number: 17559B The Green, Garristown, Co. Dublin

School details

Address: The Green, Garristown, Co. Dublin (A42V673)
Email: [email protected]
Phone: 018354505
Principal: Hugh Daly
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Fingal County Council
School patron: Archbishop of Dublin
School type: Ordinary
School level: All-Through School
Planning area: Ashbourne

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

22.50

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	108	4	27.00	28	0
2007/08	119	5	23.80	29	0
2008/09	124	5	24.80	30	1
2009/10	161	6	26.83	33	1
2010/11	185	7	26.43	30	1
2011/12	200	7	28.57	33	3
2012/13	227	8	28.38	33	4
2013/14	238	8	29.75	33	4
2014/15	239	8	29.88	34	4
2015/16	237	9	26.33	35	2
2016/17	214	9	23.78	29	0
2017/18	217	9	24.11	30	1
2019/20	201	8	25.12	31	1
2020/21	194	8	24.25	29	0
2021/22	186	8	23.25	31	1
2022/23	192	8	24.00	32	1
2023/24	193	9	21.44	27	0
2024/25	187	9	20.78	30	1
2025/26	180	8	22.50	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2009/10: 130 in 2008/09 → 167, +37 pupils.
Biggest loss in a single year: 1993/94: 179 in 1983/84 → 147, -32 pupils.
Largest single-class increase: 1st Class in 2025/26 (18 → 33, +15).
Largest single-class decrease: Junior Infants in 2024/25 (29 → 18, -11).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (22 → 27, +5).
Largest cohort-step loss: 5th → 6th in 2024/25 (32 → 29, -3).
Overall: 100 (1974/75) → 191 (2025/26), 91.

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	17	29	21.7	6
Senior Infants	16	31	21.2	6
1st Class	16	33	22.0	6
2nd Class	18	29	22.3	6
3rd Class	19	29	23.7	6
4th Class	18	32	25.0	6
5th Class	23	32	27.0	6
6th Class	22	31	27.7	6
Total	83	239	154.6	43

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 21

-1

SI 2021/22 20

1st 2022/23 22

-1

2nd 2023/24 21

-2

3rd 2024/25 19

-1

4th 2025/26 18

Cohort 2021/22

JI 2021/22 17

-1

SI 2022/23 16

1st 2023/24 16

2nd 2024/25 18

3rd 2025/26 20

Cohort 2022/23

JI 2022/23 18

SI 2023/24 19

-1

1st 2024/25 18

2nd 2025/26 19

Cohort 2023/24

JI 2023/24 29

SI 2024/25 31

1st 2025/26 33

Cohort 2024/25

JI 2024/25 18

SI 2025/26 21

Cohort 2025/26

JI 2025/26 27

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	53	47	–	–	–	–	–	–	–	–	100
1975/76	–	–	–	–	–	–	–	–	–	–	117
1976/77	56	59	–	–	–	–	–	–	–	–	115
1977/78	63	66	–	–	–	–	–	–	–	–	129
1978/79	–	–	–	–	–	–	–	–	–	–	140
1979/80	75	76	–	–	–	–	–	–	–	–	151
1980/81	79	80	–	–	–	–	–	–	–	–	159
1981/82	79	86	–	–	–	–	–	–	–	–	165
1982/83	88	90	–	–	–	–	–	–	–	–	178
1983/84	92	87	–	–	–	–	–	–	–	–	179
1993/94	73	74	–	–	–	–	–	–	–	–	147
1994/95	65	69	–	–	–	–	–	–	–	–	134
1995/96	58	69	–	–	–	–	–	–	–	–	127
1996/97	53	61	–	–	–	–	–	–	–	–	114
1997/98	48	60	–	–	–	–	–	–	–	–	108
1998/99	43	47	–	–	–	–	–	–	–	–	90
1999/00	48	37	–	–	–	–	–	–	–	–	85
2000/01	54	30	–	–	–	–	–	–	–	–	84
2001/02	45	40	–	–	–	–	–	–	–	–	85
2002/03	45	38	–	–	–	–	–	–	–	–	83
2003/04	49	48	–	–	–	–	–	–	–	–	97
2004/05	48	45	–	–	–	–	–	–	–	–	93
2005/06	54	52	–	–	–	–	–	–	–	–	106
2006/07	58	58	–	–	–	–	–	–	–	–	116
2007/08	62	64	–	–	–	–	–	–	–	–	126
2008/09	65	65	–	–	–	–	–	–	–	–	130
2009/10	71	96	–	–	–	–	–	–	–	–	167
2010/11	86	104	–	–	–	–	–	–	–	–	190
2011/12	93	107	–	–	–	–	–	–	–	–	200
2012/13	103	124	–	–	–	–	–	–	–	–	227
2013/14	113	125	–	–	–	–	–	–	–	–	238
2014/15	113	126	–	–	–	–	–	–	–	–	239
2015/16	114	123	–	–	–	–	–	–	–	–	237
2016/17	105	109	–	–	–	–	–	–	–	–	214
2017/18	109	108	–	–	–	–	–	–	–	–	217
2018/19	106	110	–	–	–	–	–	–	–	–	216
2019/20	94	107	–	–	–	–	–	–	–	–	201
2020/21	91	103	21	20	22	29	20	26	29	27	194
2021/22	91	95	17	20	21	22	29	20	26	31	186
2022/23	92	100	18	16	22	25	27	32	23	29	192
2023/24	95	98	29	19	16	21	27	27	32	22	193
2024/25	98	89	18	31	18	18	19	27	27	29	187
2025/26	95	96	27	21	33	19	20	18	25	28	191