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St Mary's Church of Ireland N.S

Roll number: 18279A Waterpark, Carrigaline, Co. Cork

School details

Address: Waterpark, Carrigaline, Co. Cork (P43V243)
Email: [email protected]
Phone: 0214371995
Principal: Valerie Elliffe
Ethos: Church Of Ireland
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Cork County Council
School patron: Bishop of Cork, Cloyne & Ross COI
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Carrigaline

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

24.00

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	214	8	26.75	31	2
2007/08	210	8	26.25	29	0
2008/09	219	8	27.38	30	2
2009/10	221	8	27.62	30	1
2010/11	213	8	26.62	30	1
2011/12	209	8	26.12	29	0
2012/13	207	8	25.88	29	0
2013/14	203	8	25.38	28	0
2014/15	194	8	24.25	29	0
2015/16	193	8	24.12	29	0
2016/17	192	8	24.00	28	0
2017/18	192	8	24.00	28	0
2019/20	199	8	24.88	28	0
2020/21	198	8	24.75	28	0
2021/22	190	8	23.75	29	0
2022/23	197	8	24.62	29	0
2023/24	195	8	24.38	29	0
2024/25	197	8	24.62	29	0
2025/26	192	8	24.00	26	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 115 in 1982/83 → 167, +52 pupils.
Biggest loss in a single year: 2010/11: 233 in 2009/10 → 223, -10 pupils.
Largest single-class increase: 5th Class in 2021/22 (22 → 29, +7).
Largest single-class decrease: 1st Class in 2021/22 (28 → 22, -6).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (24 → 28, +4).
Largest cohort-step loss: 1st → 2nd in 2021/22 (28 → 24, -4).
Overall: 41 (1975/76) → 204 (2025/26), 163.

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	22	27	24.3	6
Senior Infants	21	27	23.7	6
1st Class	22	28	23.8	6
2nd Class	23	25	23.8	6
3rd Class	23	28	25.3	6
4th Class	23	27	25.0	6
5th Class	22	29	25.8	6
6th Class	22	29	25.8	6
Total	41	233	177.7	41

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

-3

SI 2021/22 21

1st 2022/23 22

2nd 2023/24 23

3rd 2024/25 23

4th 2025/26 25

Cohort 2021/22

JI 2021/22 24

SI 2022/23 24

1st 2023/24 25

-1

2nd 2024/25 24

3rd 2025/26 28

Cohort 2022/23

JI 2022/23 22

SI 2023/24 23

1st 2024/25 24

2nd 2025/26 25

Cohort 2023/24

JI 2023/24 24

-2

SI 2024/25 22

1st 2025/26 22

Cohort 2024/25

JI 2024/25 27

SI 2025/26 27

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	–	–	–	–	–	–	–	–	–	–	41
1976/77	28	18	–	–	–	–	–	–	–	–	46
1977/78	32	26	–	–	–	–	–	–	–	–	58
1978/79	29	30	–	–	–	–	–	–	–	–	59
1979/80	29	48	–	–	–	–	–	–	–	–	77
1980/81	30	53	–	–	–	–	–	–	–	–	83
1981/82	31	53	–	–	–	–	–	–	–	–	84
1982/83	51	64	–	–	–	–	–	–	–	–	115
1993/94	79	88	–	–	–	–	–	–	–	–	167
1994/95	79	90	–	–	–	–	–	–	–	–	169
1995/96	76	86	–	–	–	–	–	–	–	–	162
1996/97	84	89	–	–	–	–	–	–	–	–	173
1997/98	83	89	–	–	–	–	–	–	–	–	172
1998/99	92	105	–	–	–	–	–	–	–	–	197
1999/00	85	104	–	–	–	–	–	–	–	–	189
2000/01	89	106	–	–	–	–	–	–	–	–	195
2001/02	92	109	–	–	–	–	–	–	–	–	201
2002/03	90	111	–	–	–	–	–	–	–	–	201
2003/04	92	117	–	–	–	–	–	–	–	–	209
2004/05	95	120	–	–	–	–	–	–	–	–	215
2005/06	106	117	–	–	–	–	–	–	–	–	223
2006/07	100	114	–	–	–	–	–	–	–	–	214
2007/08	97	119	–	–	–	–	–	–	–	–	216
2008/09	98	132	–	–	–	–	–	–	–	–	230
2009/10	103	130	–	–	–	–	–	–	–	–	233
2010/11	100	123	–	–	–	–	–	–	–	–	223
2011/12	104	117	–	–	–	–	–	–	–	–	221
2012/13	111	105	–	–	–	–	–	–	–	–	216
2013/14	103	110	–	–	–	–	–	–	–	–	213
2014/15	100	105	–	–	–	–	–	–	–	–	205
2015/16	103	102	–	–	–	–	–	–	–	–	205
2016/17	98	106	–	–	–	–	–	–	–	–	204
2017/18	103	101	–	–	–	–	–	–	–	–	204
2018/19	110	104	–	–	–	–	–	–	–	–	214
2019/20	111	100	–	–	–	–	–	–	–	–	211
2020/21	103	107	24	25	28	23	25	27	22	24	210
2021/22	101	101	24	21	22	24	25	23	29	22	202
2022/23	101	108	22	24	22	24	25	27	25	29	209
2023/24	101	106	24	23	25	23	26	24	29	25	207
2024/25	97	112	27	22	24	24	23	24	24	29	209
2025/26	93	111	25	27	22	25	28	25	26	26	204