Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.

S N MUIRE IS GEARARD

Roll number: 17223O St. Mary's & St. Gerard's NS, Enniskerry, Co. Wicklow

School details

Address: St. Mary's & St. Gerard's NS, Enniskerry, Co. Wicklow (A98DP70)
Email: [email protected]
Phone: 012868851
Principal: Colette Langan
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Wicklow County Council
School patron: Archbishop of Dublin
School type: Ordinary
School level: All-Through School
Planning area: Bray

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

25.75

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	236	9	26.22	33	4
2007/08	245	9	27.22	32	3
2008/09	242	9	26.89	31	2
2009/10	243	9	27.00	32	3
2010/11	237	9	26.33	33	3
2011/12	235	9	26.11	31	3
2012/13	229	9	25.44	32	1
2013/14	225	8	28.12	31	4
2014/15	205	8	25.62	31	2
2015/16	210	8	26.25	32	1
2016/17	209	8	26.12	32	1
2017/18	217	8	27.12	31	1
2019/20	199	8	24.88	29	0
2020/21	194	8	24.25	30	1
2021/22	181	7	25.86	31	3
2022/23	184	7	26.29	32	3
2023/24	210	8	26.25	32	2
2024/25	207	8	25.88	31	1
2025/26	206	8	25.75	30	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2023/24: 184 in 2022/23 → 210, +26 pupils.
Biggest loss in a single year: 1993/94: 247 in 1983/84 → 169, -78 pupils.
Largest single-class increase: 4th Class in 2022/23 (20 → 30, +10).
Largest single-class decrease: 3rd Class in 2022/23 (30 → 21, -9).
Largest cohort-step gain: SI → 1st in 2023/24 (23 → 28, +5).
Largest cohort-step loss: 5th → 6th in 2025/26 (26 → 20, -6).
Overall: 226 (1975/76) → 206 (2025/26), -20.

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	23	32	26.0	6
Senior Infants	17	31	24.5	6
1st Class	17	30	25.2	6
2nd Class	16	30	25.2	6
3rd Class	17	30	24.3	6
4th Class	19	30	24.7	6
5th Class	20	30	24.5	6
6th Class	19	27	22.7	6
Total	169	260	225.6	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 24

-1

SI 2021/22 23

1st 2022/23 25

2nd 2023/24 26

3rd 2024/25 26

4th 2025/26 29

Cohort 2021/22

JI 2021/22 24

-1

SI 2022/23 23

1st 2023/24 28

2nd 2024/25 29

3rd 2025/26 30

Cohort 2022/23

JI 2022/23 28

SI 2023/24 29

-3

1st 2024/25 26

2nd 2025/26 28

Cohort 2023/24

JI 2023/24 32

-1

SI 2024/25 31

-1

1st 2025/26 30

Cohort 2024/25

JI 2024/25 23

SI 2025/26 24

Cohort 2025/26

JI 2025/26 25

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	226
1976/77	111	121	–	–	–	–	–	–	–	–	232
1977/78	115	123	–	–	–	–	–	–	–	–	238
1978/79	115	128	–	–	–	–	–	–	–	–	243
1979/80	120	131	–	–	–	–	–	–	–	–	251
1980/81	129	131	–	–	–	–	–	–	–	–	260
1981/82	122	138	–	–	–	–	–	–	–	–	260
1982/83	123	137	–	–	–	–	–	–	–	–	260
1983/84	113	134	–	–	–	–	–	–	–	–	247
1993/94	77	92	–	–	–	–	–	–	–	–	169
1994/95	75	102	–	–	–	–	–	–	–	–	177
1995/96	76	117	–	–	–	–	–	–	–	–	193
1996/97	89	115	–	–	–	–	–	–	–	–	204
1997/98	99	123	–	–	–	–	–	–	–	–	222
1998/99	108	139	–	–	–	–	–	–	–	–	247
1999/00	109	137	–	–	–	–	–	–	–	–	246
2000/01	112	138	–	–	–	–	–	–	–	–	250
2001/02	117	131	–	–	–	–	–	–	–	–	248
2002/03	123	123	–	–	–	–	–	–	–	–	246
2003/04	127	118	–	–	–	–	–	–	–	–	245
2004/05	121	122	–	–	–	–	–	–	–	–	243
2005/06	125	114	–	–	–	–	–	–	–	–	239
2006/07	116	120	–	–	–	–	–	–	–	–	236
2007/08	121	124	–	–	–	–	–	–	–	–	245
2008/09	123	119	–	–	–	–	–	–	–	–	242
2009/10	121	122	–	–	–	–	–	–	–	–	243
2010/11	122	115	–	–	–	–	–	–	–	–	237
2011/12	125	110	–	–	–	–	–	–	–	–	235
2012/13	118	111	–	–	–	–	–	–	–	–	229
2013/14	115	110	–	–	–	–	–	–	–	–	225
2014/15	109	96	–	–	–	–	–	–	–	–	205
2015/16	108	102	–	–	–	–	–	–	–	–	210
2016/17	105	104	–	–	–	–	–	–	–	–	209
2017/18	117	100	–	–	–	–	–	–	–	–	217
2018/19	113	103	–	–	–	–	–	–	–	–	216
2019/20	104	95	–	–	–	–	–	–	–	–	199
2020/21	105	89	24	17	25	30	22	26	25	25	194
2021/22	93	88	24	23	17	22	30	20	26	19	181
2022/23	94	90	28	23	25	16	21	30	20	21	184
2023/24	105	105	32	29	28	26	17	24	30	24	210
2024/25	97	110	23	31	26	29	26	19	26	27	207
2025/26	89	117	25	24	30	28	30	29	20	20	206