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Scoil Mhuire na nGrast

Roll number: 19672H Lacknacummeen, Belgooly, Co. Cork

School details

Address: Lacknacummeen, Belgooly, Co. Cork (P17XT32)
Email: [email protected]
Phone: 0214770712
Principal: Diarmuid Hennessy
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: Kinsale

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

23.80

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	275	9	30.56	37	5
2007/08	295	10	29.50	37	4
2008/09	320	12	26.67	37	4
2009/10	329	12	27.42	36	4
2010/11	321	12	26.75	33	2
2011/12	320	12	26.67	34	4
2012/13	340	12	28.33	34	3
2013/14	346	13	26.62	32	2
2014/15	348	13	26.77	32	5
2015/16	371	13	28.54	30	5
2016/17	378	14	27.00	31	5
2017/18	368	14	26.29	31	4
2019/20	383	15	25.53	31	3
2020/21	381	15	25.40	31	2
2021/22	361	15	24.07	31	1
2022/23	361	15	24.07	32	3
2023/24	353	15	23.53	31	1
2024/25	346	15	23.07	30	1
2025/26	357	15	23.80	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2008/09: 295 in 2007/08 → 320, +25 pupils.
Biggest loss in a single year: 1995/96: 245 in 1994/95 → 223, -22 pupils.
Largest single-class increase: 6th Class in 2025/26 (30 → 60, +30).
Largest single-class decrease: 6th Class in 2024/25 (49 → 30, -19).
Largest cohort-step gain: 4th → 5th in 2025/26 (46 → 50, +4).
Largest cohort-step loss: SI → 1st in 2025/26 (47 → 45, -2).
Overall: 187 (1979/80) → 363 (2025/26), 176.

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	35	48	41.3	6
Senior Infants	35	47	42.8	6
1st Class	38	58	45.3	6
2nd Class	30	57	42.8	6
3rd Class	31	58	44.2	6
4th Class	32	57	47.2	6
5th Class	31	57	47.0	6
6th Class	30	60	50.2	6
Total	187	387	288.2	37

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 45

SI 2021/22 46

-1

1st 2022/23 45

2nd 2023/24 45

3rd 2024/25 45

4th 2025/26 47

Cohort 2021/22

JI 2021/22 35

SI 2022/23 35

1st 2023/24 38

-1

2nd 2024/25 37

3rd 2025/26 37

Cohort 2022/23

JI 2022/23 39

SI 2023/24 39

1st 2024/25 40

2nd 2025/26 42

Cohort 2023/24

JI 2023/24 48

-1

SI 2024/25 47

-2

1st 2025/26 45

Cohort 2024/25

JI 2024/25 45

SI 2025/26 46

Cohort 2025/26

JI 2025/26 36

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1979/80	86	101	–	–	–	–	–	–	–	–	187
1980/81	95	116	–	–	–	–	–	–	–	–	211
1981/82	106	119	–	–	–	–	–	–	–	–	225
1982/83	106	132	–	–	–	–	–	–	–	–	238
1993/94	122	115	–	–	–	–	–	–	–	–	237
1994/95	124	121	–	–	–	–	–	–	–	–	245
1995/96	106	117	–	–	–	–	–	–	–	–	223
1996/97	101	104	–	–	–	–	–	–	–	–	205
1997/98	92	109	–	–	–	–	–	–	–	–	201
1998/99	90	112	–	–	–	–	–	–	–	–	202
1999/00	89	106	–	–	–	–	–	–	–	–	195
2000/01	84	114	–	–	–	–	–	–	–	–	198
2001/02	94	116	–	–	–	–	–	–	–	–	210
2002/03	98	111	–	–	–	–	–	–	–	–	209
2003/04	110	117	–	–	–	–	–	–	–	–	227
2004/05	110	128	–	–	–	–	–	–	–	–	238
2005/06	117	138	–	–	–	–	–	–	–	–	255
2006/07	126	149	–	–	–	–	–	–	–	–	275
2007/08	131	164	–	–	–	–	–	–	–	–	295
2008/09	145	175	–	–	–	–	–	–	–	–	320
2009/10	149	180	–	–	–	–	–	–	–	–	329
2010/11	145	176	–	–	–	–	–	–	–	–	321
2011/12	148	172	–	–	–	–	–	–	–	–	320
2012/13	154	186	–	–	–	–	–	–	–	–	340
2013/14	165	181	–	–	–	–	–	–	–	–	346
2014/15	175	173	–	–	–	–	–	–	–	–	348
2015/16	187	184	–	–	–	–	–	–	–	–	371
2016/17	189	189	–	–	–	–	–	–	–	–	378
2017/18	187	181	–	–	–	–	–	–	–	–	368
2018/19	205	182	–	–	–	–	–	–	–	–	387
2019/20	198	185	–	–	–	–	–	–	–	–	383
2020/21	203	178	45	44	58	30	48	54	42	60	381
2021/22	186	175	35	46	46	57	31	47	57	42	361
2022/23	186	175	39	35	45	46	58	32	46	60	361
2023/24	195	163	48	39	38	45	46	57	31	49	358
2024/25	195	157	45	47	40	37	45	46	56	30	352
2025/26	198	165	36	46	45	42	37	47	50	60	363