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S N SEOSAMH COBH

Roll number: 15718I Cobh, Co. Cork

School details

Address: Cobh, Co. Cork (P24P270)
Email: [email protected]
Phone: 0214812424
Principal: Richard Kenneally
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

22.64

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	253	9	28.11	32	2
2007/08	245	9	27.22	30	1
2008/09	252	9	28.00	31	5
2009/10	236	9	26.22	31	2
2010/11	235	9	26.11	31	1
2011/12	284	10	28.40	32	5
2012/13	311	11	28.27	32	6
2013/14	324	11	29.45	36	8
2014/15	335	12	27.92	33	1
2015/16	354	13	27.23	31	2
2016/17	353	14	25.21	32	2
2017/18	345	14	24.64	31	2
2019/20	355	14	25.36	31	1
2020/21	348	14	24.86	31	2
2021/22	327	14	23.36	30	1
2022/23	291	14	20.79	26	0
2023/24	269	12	22.42	30	2
2024/25	262	12	21.83	31	1
2025/26	249	11	22.64	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2011/12: 235 in 2010/11 → 284, +49 pupils.
Biggest loss in a single year: 1993/94: 505 in 1982/83 → 324, -181 pupils.
Largest single-class increase: 5th Class in 2024/25 (36 → 51, +15).
Largest single-class decrease: 6th Class in 2022/23 (56 → 42, -14).
Largest cohort-step gain: 1st → 2nd in 2024/25 (34 → 39, +5).
Largest cohort-step loss: 4th → 5th in 2023/24 (39 → 36, -3).
Overall: 516 (1975/76) → 261 (2025/26), -255.

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	19	37	25.3	6
Senior Infants	21	35	27.8	6
1st Class	23	48	33.5	6
2nd Class	28	49	38.0	6
3rd Class	34	51	40.3	6
4th Class	33	51	40.8	6
5th Class	36	58	44.7	6
6th Class	37	56	44.7	6
Total	235	549	344.2	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 37

-2

SI 2021/22 35

1st 2022/23 35

-2

2nd 2023/24 33

3rd 2024/25 34

-1

4th 2025/26 33

Cohort 2021/22

JI 2021/22 31

-1

SI 2022/23 30

1st 2023/24 34

2nd 2024/25 39

3rd 2025/26 39

Cohort 2022/23

JI 2022/23 24

-2

SI 2023/24 22

1st 2024/25 23

2nd 2025/26 28

Cohort 2023/24

JI 2023/24 20

SI 2024/25 21

1st 2025/26 25

Cohort 2024/25

JI 2024/25 21

SI 2025/26 24

Cohort 2025/26

JI 2025/26 19

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	516
1976/77	–	529	–	–	–	–	–	–	–	–	529
1977/78	–	535	–	–	–	–	–	–	–	–	535
1978/79	–	549	–	–	–	–	–	–	–	–	549
1979/80	–	520	–	–	–	–	–	–	–	–	520
1980/81	–	523	–	–	–	–	–	–	–	–	523
1981/82	–	515	–	–	–	–	–	–	–	–	515
1982/83	–	505	–	–	–	–	–	–	–	–	505
1993/94	–	324	–	–	–	–	–	–	–	–	324
1994/95	–	316	–	–	–	–	–	–	–	–	316
1995/96	–	295	–	–	–	–	–	–	–	–	295
1996/97	–	289	–	–	–	–	–	–	–	–	289
1997/98	–	295	–	–	–	–	–	–	–	–	295
1998/99	–	289	–	–	–	–	–	–	–	–	289
1999/00	–	301	–	–	–	–	–	–	–	–	301
2000/01	–	298	–	–	–	–	–	–	–	–	298
2001/02	–	303	–	–	–	–	–	–	–	–	303
2002/03	–	306	–	–	–	–	–	–	–	–	306
2003/04	–	298	–	–	–	–	–	–	–	–	298
2004/05	–	277	–	–	–	–	–	–	–	–	277
2005/06	–	253	–	–	–	–	–	–	–	–	253
2006/07	–	253	–	–	–	–	–	–	–	–	253
2007/08	–	245	–	–	–	–	–	–	–	–	245
2008/09	–	253	–	–	–	–	–	–	–	–	253
2009/10	–	236	–	–	–	–	–	–	–	–	236
2010/11	–	235	–	–	–	–	–	–	–	–	235
2011/12	–	284	–	–	–	–	–	–	–	–	284
2012/13	–	311	–	–	–	–	–	–	–	–	311
2013/14	–	326	–	–	–	–	–	–	–	–	326
2014/15	–	340	–	–	–	–	–	–	–	–	340
2015/16	–	360	–	–	–	–	–	–	–	–	360
2016/17	–	359	–	–	–	–	–	–	–	–	359
2017/18	–	351	–	–	–	–	–	–	–	–	351
2018/19	–	363	–	–	–	–	–	–	–	–	363
2019/20	–	361	–	–	–	–	–	–	–	–	361
2020/21	–	354	37	35	48	41	38	46	58	45	354
2021/22	–	332	31	35	36	49	40	36	45	56	332
2022/23	–	297	24	30	35	38	51	39	36	42	297
2023/24	–	281	20	22	34	33	40	51	36	37	281
2024/25	–	273	21	21	23	39	34	40	51	37	273
2025/26	1	260	19	24	25	28	39	33	42	51	261