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WALTERSTOWN N S

Roll number: 12281D Walterstown, Cobh, Co. Cork

School details

Address: Walterstown, Cobh, Co. Cork (P24T329)
Email: [email protected]
Phone: 0214812625
Principal: Rory O'Sullivan
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Cork County Council
School patron: Bishop of Cloyne
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Cobh

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

20.75

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	102	4	25.50	31	1
2007/08	110	4	27.50	32	2
2008/09	121	5	24.20	31	1
2009/10	122	5	24.40	29	0
2010/11	137	5	27.40	33	2
2011/12	135	5	27.00	31	2
2012/13	145	5	29.00	35	1
2013/14	158	6	26.33	28	0
2014/15	173	6	28.83	35	3
2015/16	175	7	25.00	28	0
2016/17	191	7	27.29	30	1
2017/18	197	7	28.14	35	3
2019/20	197	8	24.62	30	1
2020/21	200	8	25.00	29	0
2021/22	186	8	23.25	29	0
2022/23	176	8	22.00	26	0
2023/24	180	8	22.50	27	0
2024/25	181	8	22.62	30	1
2025/26	166	8	20.75	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 46 in 1982/83 → 71, +25 pupils.
Biggest loss in a single year: 2025/26: 199 in 2024/25 → 183, -16 pupils.
Largest single-class increase: 6th Class in 2025/26 (20 → 34, +14).
Largest single-class decrease: Junior Infants in 2025/26 (24 → 12, -12).
Largest cohort-step gain: 3rd → 4th in 2025/26 (25 → 29, +4).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (29 → 26, -3).
Overall: 57 (1975/76) → 183 (2025/26), 126.

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	12	27	20.3	6
Senior Infants	16	27	22.3	6
1st Class	17	29	23.3	6
2nd Class	15	29	22.2	6
3rd Class	13	27	22.3	6
4th Class	19	29	24.7	6
5th Class	20	30	25.2	6
6th Class	20	34	25.3	6
Total	46	215	120.5	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 27

SI 2021/22 27

1st 2022/23 27

-1

2nd 2023/24 26

-1

3rd 2024/25 25

4th 2025/26 29

Cohort 2021/22

JI 2021/22 16

SI 2022/23 16

1st 2023/24 17

-2

2nd 2024/25 15

-2

3rd 2025/26 13

Cohort 2022/23

JI 2022/23 19

SI 2023/24 20

1st 2024/25 21

-1

2nd 2025/26 20

Cohort 2023/24

JI 2023/24 24

SI 2024/25 25

1st 2025/26 25

Cohort 2024/25

JI 2024/25 24

SI 2025/26 24

Cohort 2025/26

JI 2025/26 12

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	57
1976/77	25	25	–	–	–	–	–	–	–	–	50
1977/78	26	29	–	–	–	–	–	–	–	–	55
1978/79	23	31	–	–	–	–	–	–	–	–	54
1979/80	25	34	–	–	–	–	–	–	–	–	59
1980/81	25	37	–	–	–	–	–	–	–	–	62
1981/82	18	38	–	–	–	–	–	–	–	–	56
1982/83	15	31	–	–	–	–	–	–	–	–	46
1993/94	43	28	–	–	–	–	–	–	–	–	71
1994/95	42	30	–	–	–	–	–	–	–	–	72
1995/96	42	30	–	–	–	–	–	–	–	–	72
1996/97	42	29	–	–	–	–	–	–	–	–	71
1997/98	44	39	–	–	–	–	–	–	–	–	83
1998/99	40	44	–	–	–	–	–	–	–	–	84
1999/00	45	45	–	–	–	–	–	–	–	–	90
2000/01	43	48	–	–	–	–	–	–	–	–	91
2001/02	44	52	–	–	–	–	–	–	–	–	96
2002/03	44	45	–	–	–	–	–	–	–	–	89
2003/04	46	56	–	–	–	–	–	–	–	–	102
2004/05	48	53	–	–	–	–	–	–	–	–	101
2005/06	51	46	–	–	–	–	–	–	–	–	97
2006/07	49	53	–	–	–	–	–	–	–	–	102
2007/08	50	60	–	–	–	–	–	–	–	–	110
2008/09	58	63	–	–	–	–	–	–	–	–	121
2009/10	62	60	–	–	–	–	–	–	–	–	122
2010/11	72	65	–	–	–	–	–	–	–	–	137
2011/12	73	62	–	–	–	–	–	–	–	–	135
2012/13	78	67	–	–	–	–	–	–	–	–	145
2013/14	83	75	–	–	–	–	–	–	–	–	158
2014/15	95	78	–	–	–	–	–	–	–	–	173
2015/16	96	79	–	–	–	–	–	–	–	–	175
2016/17	107	84	–	–	–	–	–	–	–	–	191
2017/18	110	93	–	–	–	–	–	–	–	–	203
2018/19	106	99	–	–	–	–	–	–	–	–	205
2019/20	99	114	–	–	–	–	–	–	–	–	213
2020/21	101	114	27	22	29	21	27	25	25	25	215
2021/22	93	110	16	27	21	29	21	25	24	24	203
2022/23	91	102	19	16	27	22	26	19	26	23	193
2023/24	90	108	24	20	17	26	22	27	20	26	198
2024/25	94	105	24	25	21	15	25	23	30	20	199
2025/26	85	98	12	24	25	20	13	29	26	34	183