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SN CROS TSEAIN

Roll number: 17363H Crosshaven Boy's NS, Crosshaven, Cork

School details

Address: Crosshaven Boy's NS, Crosshaven, Cork (P43W993)
Email: [email protected]
Phone: 0214831681
Principal: Colm Lyons
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Cork County Council
School patron: Bishop of Cork & Ross
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Crosshaven

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

23.22

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	137	5	27.40	31	1
2007/08	136	5	27.20	31	3
2008/09	149	5	29.80	35	3
2009/10	162	6	27.00	33	2
2010/11	174	6	29.00	33	3
2011/12	197	7	28.14	34	3
2012/13	200	7	28.57	34	3
2013/14	192	7	27.43	33	3
2014/15	199	7	28.43	34	3
2015/16	211	7	30.14	36	4
2016/17	215	8	26.88	33	2
2017/18	223	8	27.88	33	2
2019/20	227	8	28.38	31	3
2020/21	223	9	24.78	32	3
2021/22	232	9	25.78	33	4
2022/23	235	9	26.11	32	4
2023/24	222	10	22.20	32	3
2024/25	218	9	24.22	32	2
2025/26	209	9	23.22	31	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1982/83: 90 in 1981/82 → 175, +85 pupils.
Biggest loss in a single year: 1981/82: 131 in 1980/81 → 90, -41 pupils.
Largest single-class increase: Junior Infants in 2024/25 (18 → 28, +10).
Largest single-class decrease: Junior Infants in 2023/24 (33 → 18, -15).
Largest cohort-step gain: JI → SI in 2021/22 (22 → 24, +2).
Largest cohort-step loss: SI → 1st in 2021/22 (27 → 24, -3).
Overall: 138 (1975/76) → 215 (2025/26), 77.

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	18	33	25.5	6
Senior Infants	17	32	26.3	6
1st Class	19	33	27.2	6
2nd Class	24	33	29.2	6
3rd Class	24	31	28.8	6
4th Class	25	33	28.8	6
5th Class	27	32	29.5	6
6th Class	22	32	28.8	6
Total	90	240	168.4	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 22

SI 2021/22 24

1st 2022/23 24

2nd 2023/24 24

3rd 2024/25 24

4th 2025/26 25

Cohort 2021/22

JI 2021/22 30

SI 2022/23 31

1st 2023/24 31

2nd 2024/25 32

-1

3rd 2025/26 31

Cohort 2022/23

JI 2022/23 33

-1

SI 2023/24 32

1st 2024/25 33

2nd 2025/26 33

Cohort 2023/24

JI 2023/24 18

-1

SI 2024/25 17

1st 2025/26 19

Cohort 2024/25

JI 2024/25 28

-1

SI 2025/26 27

Cohort 2025/26

JI 2025/26 22

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	138
1976/77	–	127	–	–	–	–	–	–	–	–	127
1977/78	–	132	–	–	–	–	–	–	–	–	132
1978/79	–	129	–	–	–	–	–	–	–	–	129
1979/80	–	129	–	–	–	–	–	–	–	–	129
1980/81	–	131	–	–	–	–	–	–	–	–	131
1981/82	45	45	–	–	–	–	–	–	–	–	90
1982/83	–	175	–	–	–	–	–	–	–	–	175
1993/94	–	160	–	–	–	–	–	–	–	–	160
1994/95	–	160	–	–	–	–	–	–	–	–	160
1995/96	–	160	–	–	–	–	–	–	–	–	160
1996/97	–	130	–	–	–	–	–	–	–	–	130
1997/98	–	138	–	–	–	–	–	–	–	–	138
1998/99	–	141	–	–	–	–	–	–	–	–	141
1999/00	–	140	–	–	–	–	–	–	–	–	140
2000/01	–	134	–	–	–	–	–	–	–	–	134
2001/02	–	141	–	–	–	–	–	–	–	–	141
2002/03	–	146	–	–	–	–	–	–	–	–	146
2003/04	–	129	–	–	–	–	–	–	–	–	129
2004/05	–	128	–	–	–	–	–	–	–	–	128
2005/06	–	134	–	–	–	–	–	–	–	–	134
2006/07	–	137	–	–	–	–	–	–	–	–	137
2007/08	–	136	–	–	–	–	–	–	–	–	136
2008/09	–	149	–	–	–	–	–	–	–	–	149
2009/10	–	162	–	–	–	–	–	–	–	–	162
2010/11	–	174	–	–	–	–	–	–	–	–	174
2011/12	–	197	–	–	–	–	–	–	–	–	197
2012/13	–	200	–	–	–	–	–	–	–	–	200
2013/14	–	192	–	–	–	–	–	–	–	–	192
2014/15	–	199	–	–	–	–	–	–	–	–	199
2015/16	–	211	–	–	–	–	–	–	–	–	211
2016/17	–	215	–	–	–	–	–	–	–	–	215
2017/18	–	223	–	–	–	–	–	–	–	–	223
2018/19	–	224	–	–	–	–	–	–	–	–	224
2019/20	–	227	–	–	–	–	–	–	–	–	227
2020/21	–	223	22	27	32	30	31	31	28	22	223
2021/22	–	238	30	24	24	31	31	33	31	28	238
2022/23	–	240	33	31	24	25	31	29	32	30	240
2023/24	–	225	18	32	31	24	25	30	30	32	225
2024/25	–	224	28	17	33	32	24	25	29	30	224
2025/26	–	215	22	27	19	33	31	25	27	31	215