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S N NAOMH MHUIRE

Roll number: 17055T Garter's Lane, Saggart, Co. Dublin

School details

Address: Garter's Lane, Saggart, Co. Dublin (D24VW9P)
Email: [email protected]
Phone: 014589020
Principal: Suzanne Olwill
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: South Dublin County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Newcastle_Rathcoole

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

26.75

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	184	6	30.67	34	5
2007/08	211	8	26.38	33	2
2008/09	242	8	30.25	46	4
2009/10	328	12	27.33	38	3
2010/11	379	15	25.27	33	3
2011/12	453	17	26.65	34	5
2012/13	466	17	27.41	33	6
2013/14	476	17	28.00	35	7
2014/15	503	18	27.94	33	8
2015/16	597	23	25.96	33	5
2016/17	643	24	26.79	33	7
2017/18	683	25	27.32	33	5
2019/20	680	25	27.20	31	4
2020/21	687	25	27.48	30	3
2021/22	671	25	26.84	29	0
2022/23	694	25	27.76	29	0
2023/24	662	24	27.58	29	0
2024/25	649	24	27.04	29	0
2025/26	642	24	26.75	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2015/16: 527 in 2014/15 → 621, +94 pupils.
Biggest loss in a single year: 1993/94: 131 in 1983/84 → 87, -44 pupils.
Largest single-class increase: 6th Class in 2022/23 (77 → 112, +35).
Largest single-class decrease: 4th Class in 2021/22 (112 → 83, -29).
Largest cohort-step gain: 1st → 2nd in 2022/23 (78 → 85, +7).
Largest cohort-step loss: 3rd → 4th in 2021/22 (88 → 83, -5).
Overall: 291 (1974/75) → 666 (2025/26), 375.

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	74	80	78.2	6
Senior Infants	78	84	81.0	6
1st Class	78	87	83.0	6
2nd Class	82	86	83.3	6
3rd Class	78	88	83.5	6
4th Class	81	112	87.3	6
5th Class	79	108	87.7	6
6th Class	77	112	87.5	6
Total	87	716	331.2	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 79

-1

SI 2021/22 78

1st 2022/23 80

2nd 2023/24 82

-4

3rd 2024/25 78

4th 2025/26 81

Cohort 2021/22

JI 2021/22 79

SI 2022/23 84

1st 2023/24 85

-3

2nd 2024/25 82

3rd 2025/26 86

Cohort 2022/23

JI 2022/23 80

SI 2023/24 84

1st 2024/25 84

-1

2nd 2025/26 83

Cohort 2023/24

JI 2023/24 78

SI 2024/25 79

1st 2025/26 84

Cohort 2024/25

JI 2024/25 79

SI 2025/26 81

Cohort 2025/26

JI 2025/26 74

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	156	135	–	–	–	–	–	–	–	–	291
1975/76	–	–	–	–	–	–	–	–	–	–	274
1976/77	129	115	–	–	–	–	–	–	–	–	244
1977/78	107	110	–	–	–	–	–	–	–	–	217
1978/79	–	–	–	–	–	–	–	–	–	–	192
1979/80	90	95	–	–	–	–	–	–	–	–	185
1980/81	83	77	–	–	–	–	–	–	–	–	160
1981/82	76	71	–	–	–	–	–	–	–	–	147
1982/83	72	62	–	–	–	–	–	–	–	–	134
1983/84	74	57	–	–	–	–	–	–	–	–	131
1993/94	32	55	–	–	–	–	–	–	–	–	87
1994/95	34	61	–	–	–	–	–	–	–	–	95
1995/96	33	61	–	–	–	–	–	–	–	–	94
1996/97	31	68	–	–	–	–	–	–	–	–	99
1997/98	40	73	–	–	–	–	–	–	–	–	113
1998/99	38	76	–	–	–	–	–	–	–	–	114
1999/00	38	63	–	–	–	–	–	–	–	–	101
2000/01	41	62	–	–	–	–	–	–	–	–	103
2001/02	37	55	–	–	–	–	–	–	–	–	92
2002/03	44	68	–	–	–	–	–	–	–	–	112
2003/04	65	67	–	–	–	–	–	–	–	–	132
2004/05	62	73	–	–	–	–	–	–	–	–	135
2005/06	66	79	–	–	–	–	–	–	–	–	145
2006/07	81	103	–	–	–	–	–	–	–	–	184
2007/08	97	114	–	–	–	–	–	–	–	–	211
2008/09	131	111	–	–	–	–	–	–	–	–	242
2009/10	169	161	–	–	–	–	–	–	–	–	330
2010/11	190	201	–	–	–	–	–	–	–	–	391
2011/12	237	222	–	–	–	–	–	–	–	–	459
2012/13	243	229	–	–	–	–	–	–	–	–	472
2013/14	242	240	–	–	–	–	–	–	–	–	482
2014/15	269	258	–	–	–	–	–	–	–	–	527
2015/16	301	320	–	–	–	–	–	–	–	–	621
2016/17	322	344	–	–	–	–	–	–	–	–	666
2017/18	348	358	–	–	–	–	–	–	–	–	706
2018/19	349	353	–	–	–	–	–	–	–	–	702
2019/20	345	358	–	–	–	–	–	–	–	–	703
2020/21	351	360	79	80	87	82	88	112	79	80	711
2021/22	336	359	79	78	78	86	82	83	108	77	695
2022/23	347	369	80	84	80	85	85	84	84	112	716
2023/24	314	372	78	84	85	82	82	83	84	84	686
2024/25	312	361	79	79	84	82	78	81	85	81	673
2025/26	303	363	74	81	84	83	86	81	86	91	666