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

WATERGRASSHILL N S

Roll number: 16271U Watergrasshill, Co. Cork

School details

Address: Watergrasshill, Co. Cork (T56EW80)
Email: [email protected]
Phone: 0214889163
Principal: Pat O'Brien
Ethos: Catholic
DEIS: N
Irish classification: Some 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: Fermoy

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

22.29

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	200	7	28.57	37	3
2007/08	219	7	31.29	36	6
2008/09	227	8	28.38	36	3
2009/10	222	8	27.75	35	3
2010/11	247	9	27.44	36	4
2011/12	268	10	26.80	36	2
2012/13	268	10	26.80	36	3
2013/14	280	10	28.00	36	4
2014/15	290	11	26.36	36	4
2015/16	318	12	26.50	34	5
2016/17	327	13	25.15	34	3
2017/18	350	13	26.92	35	6
2019/20	375	14	26.79	36	4
2020/21	398	15	26.53	33	3
2021/22	413	16	25.81	32	3
2022/23	420	17	24.71	30	1
2023/24	399	17	23.47	30	1
2024/25	380	16	23.75	29	0
2025/26	379	17	22.29	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2015/16: 290 in 2014/15 → 324, +34 pupils.
Biggest loss in a single year: 2023/24: 426 in 2022/23 → 405, -21 pupils.
Largest single-class increase: 5th Class in 2021/22 (44 → 61, +17).
Largest single-class decrease: Senior Infants in 2022/23 (59 → 41, -18).
Largest cohort-step gain: 3rd → 4th in 2025/26 (57 → 61, +4).
Largest cohort-step loss: 1st → 2nd in 2023/24 (59 → 57, -2).
Overall: 165 (1975/76) → 391 (2025/26), 226.

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	37	58	46.0	6
Senior Infants	37	59	44.3	6
1st Class	37	59	48.5	6
2nd Class	43	58	51.2	6
3rd Class	45	58	51.7	6
4th Class	47	61	55.3	6
5th Class	44	61	52.2	6
6th Class	33	62	51.0	6
Total	136	426	243.4	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 58

SI 2021/22 59

1st 2022/23 59

-2

2nd 2023/24 57

3rd 2024/25 57

4th 2025/26 61

Cohort 2021/22

JI 2021/22 41

SI 2022/23 41

1st 2023/24 45

-2

2nd 2024/25 43

3rd 2025/26 45

Cohort 2022/23

JI 2022/23 48

-1

SI 2023/24 47

1st 2024/25 47

2nd 2025/26 49

Cohort 2023/24

JI 2023/24 39

-2

SI 2024/25 37

1st 2025/26 37

Cohort 2024/25

JI 2024/25 37

SI 2025/26 39

Cohort 2025/26

JI 2025/26 53

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	165
1976/77	87	82	–	–	–	–	–	–	–	–	169
1977/78	92	88	–	–	–	–	–	–	–	–	180
1978/79	97	85	–	–	–	–	–	–	–	–	182
1979/80	89	80	–	–	–	–	–	–	–	–	169
1980/81	92	84	–	–	–	–	–	–	–	–	176
1981/82	88	89	–	–	–	–	–	–	–	–	177
1982/83	86	92	–	–	–	–	–	–	–	–	178
1993/94	98	92	–	–	–	–	–	–	–	–	190
1994/95	97	88	–	–	–	–	–	–	–	–	185
1995/96	100	81	–	–	–	–	–	–	–	–	181
1996/97	98	78	–	–	–	–	–	–	–	–	176
1997/98	92	75	–	–	–	–	–	–	–	–	167
1998/99	87	68	–	–	–	–	–	–	–	–	155
1999/00	75	65	–	–	–	–	–	–	–	–	140
2000/01	75	61	–	–	–	–	–	–	–	–	136
2001/02	81	69	–	–	–	–	–	–	–	–	150
2002/03	73	78	–	–	–	–	–	–	–	–	151
2003/04	74	85	–	–	–	–	–	–	–	–	159
2004/05	89	89	–	–	–	–	–	–	–	–	178
2005/06	97	95	–	–	–	–	–	–	–	–	192
2006/07	103	100	–	–	–	–	–	–	–	–	203
2007/08	106	114	–	–	–	–	–	–	–	–	220
2008/09	111	116	–	–	–	–	–	–	–	–	227
2009/10	105	117	–	–	–	–	–	–	–	–	222
2010/11	115	132	–	–	–	–	–	–	–	–	247
2011/12	124	144	–	–	–	–	–	–	–	–	268
2012/13	128	140	–	–	–	–	–	–	–	–	268
2013/14	134	146	–	–	–	–	–	–	–	–	280
2014/15	138	152	–	–	–	–	–	–	–	–	290
2015/16	155	169	–	–	–	–	–	–	–	–	324
2016/17	159	174	–	–	–	–	–	–	–	–	333
2017/18	167	189	–	–	–	–	–	–	–	–	356
2018/19	178	191	–	–	–	–	–	–	–	–	369
2019/20	186	195	–	–	–	–	–	–	–	–	381
2020/21	196	208	58	43	59	54	46	61	44	33	404
2021/22	204	215	41	59	44	58	56	48	61	46	419
2022/23	205	221	48	41	59	46	58	57	49	62	426
2023/24	194	211	39	47	45	57	48	58	56	49	405
2024/25	198	191	37	37	47	43	57	47	56	56	389
2025/26	196	195	53	39	37	49	45	61	47	60	391