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Scoil Chlochair Mhuire National School

Roll number: 17103E Carrigtwohill, Co. Cork

School details

Address: Carrigtwohill, Co. Cork (T45VX82)
Email: [email protected]
Phone: 0214883293
Principal: Nora Ní Choileáin
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: Midleton_Carrigtwohill

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

19.55

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	220	9	24.44	29	0
2007/08	260	11	23.64	33	3
2008/09	282	12	23.50	33	3
2009/10	307	12	25.58	33	3
2010/11	315	12	26.25	34	3
2011/12	356	13	27.38	34	5
2012/13	399	16	24.94	34	3
2013/14	434	16	27.12	31	5
2014/15	460	17	27.06	34	5
2015/16	487	18	27.06	34	4
2016/17	505	18	28.06	35	5
2017/18	475	19	25.00	34	2
2019/20	467	18	25.94	36	5
2020/21	432	19	22.74	30	1
2021/22	388	17	22.82	30	1
2022/23	352	15	23.47	30	2
2023/24	287	13	22.08	29	0
2024/25	244	12	20.33	28	0
2025/26	215	11	19.55	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2012/13: 356 in 2011/12 → 399, +43 pupils.
Biggest loss in a single year: 2023/24: 370 in 2022/23 → 305, -65 pupils.
Largest single-class increase: 6th Class in 2022/23 (68 → 89, +21).
Largest single-class decrease: 4th Class in 2021/22 (87 → 43, -44).
Largest cohort-step gain: JI → SI in 2025/26 (17 → 24, +7).
Largest cohort-step loss: 1st → 2nd in 2023/24 (39 → 35, -4).
Overall: 199 (1975/76) → 245 (2025/26), 46.

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	17	40	24.3	6
Senior Infants	21	40	27.0	6
1st Class	19	50	31.0	6
2nd Class	22	53	35.7	6
3rd Class	25	57	39.0	6
4th Class	34	87	50.3	6
5th Class	33	86	55.5	6
6th Class	47	89	63.3	6
Total	194	505	305.4	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 40

SI 2021/22 40

-1

1st 2022/23 39

-4

2nd 2023/24 35

3rd 2024/25 35

4th 2025/26 37

Cohort 2021/22

JI 2021/22 22

SI 2022/23 22

1st 2023/24 24

-2

2nd 2024/25 22

3rd 2025/26 25

Cohort 2022/23

JI 2022/23 24

SI 2023/24 27

-4

1st 2024/25 23

2nd 2025/26 27

Cohort 2023/24

JI 2023/24 19

SI 2024/25 21

-2

1st 2025/26 19

Cohort 2024/25

JI 2024/25 17

SI 2025/26 24

Cohort 2025/26

JI 2025/26 24

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	199
1976/77	213	–	–	–	–	–	–	–	–	–	213
1977/78	236	–	–	–	–	–	–	–	–	–	236
1978/79	278	–	–	–	–	–	–	–	–	–	278
1979/80	286	–	–	–	–	–	–	–	–	–	286
1980/81	293	–	–	–	–	–	–	–	–	–	293
1981/82	291	–	–	–	–	–	–	–	–	–	291
1982/83	290	–	–	–	–	–	–	–	–	–	290
1993/94	285	–	–	–	–	–	–	–	–	–	285
1994/95	268	–	–	–	–	–	–	–	–	–	268
1995/96	235	–	–	–	–	–	–	–	–	–	235
1996/97	225	–	–	–	–	–	–	–	–	–	225
1997/98	230	–	–	–	–	–	–	–	–	–	230
1998/99	227	–	–	–	–	–	–	–	–	–	227
1999/00	228	–	–	–	–	–	–	–	–	–	228
2000/01	207	–	–	–	–	–	–	–	–	–	207
2001/02	204	–	–	–	–	–	–	–	–	–	204
2002/03	208	–	–	–	–	–	–	–	–	–	208
2003/04	204	–	–	–	–	–	–	–	–	–	204
2004/05	194	–	–	–	–	–	–	–	–	–	194
2005/06	209	–	–	–	–	–	–	–	–	–	209
2006/07	226	–	–	–	–	–	–	–	–	–	226
2007/08	265	–	–	–	–	–	–	–	–	–	265
2008/09	286	–	–	–	–	–	–	–	–	–	286
2009/10	311	–	–	–	–	–	–	–	–	–	311
2010/11	319	–	–	–	–	–	–	–	–	–	319
2011/12	356	–	–	–	–	–	–	–	–	–	356
2012/13	399	–	–	–	–	–	–	–	–	–	399
2013/14	434	–	–	–	–	–	–	–	–	–	434
2014/15	460	–	–	–	–	–	–	–	–	–	460
2015/16	487	–	–	–	–	–	–	–	–	–	487
2016/17	505	–	–	–	–	–	–	–	–	–	505
2017/18	471	4	–	–	–	–	–	–	–	–	475
2018/19	458	24	–	–	–	–	–	–	–	–	482
2019/20	450	20	–	–	–	–	–	–	–	–	470
2020/21	384	58	40	28	50	45	40	87	69	73	442
2021/22	328	72	22	40	31	53	45	43	86	68	400
2022/23	285	85	24	22	39	32	57	44	45	89	370
2023/24	216	89	19	27	24	35	32	57	46	47	305
2024/25	179	94	17	21	23	22	35	34	54	47	273
2025/26	156	89	24	24	19	27	25	37	33	56	245