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S N CEATHARLACH

Roll number: 18615N Green Road, Carlow

School details

Address: Green Road, Carlow (R93A504)
Email: [email protected]
Phone: 0599132175
Principal: Marie Walsh
Ethos: Church Of Ireland
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Carlow County Council
School patron: Bishop of Cashel, Ferns & Ossory COI
School type: Ordinary
School level: All-Through School
Planning area: Carlow

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

25.20

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	134	5	26.80	31	1
2007/08	141	5	28.20	32	3
2008/09	137	5	27.40	32	1
2009/10	132	5	26.40	29	0
2010/11	137	5	27.40	31	1
2011/12	138	5	27.60	31	2
2012/13	137	5	27.40	35	1
2013/14	132	5	26.40	32	2
2014/15	125	5	25.00	28	0
2015/16	132	5	26.40	34	1
2016/17	141	5	28.20	32	1
2017/18	135	5	27.00	32	2
2019/20	133	5	26.60	29	0
2020/21	129	5	25.80	28	0
2021/22	127	5	25.40	28	0
2022/23	126	5	25.20	31	1
2023/24	121	5	24.20	27	0
2024/25	130	5	26.00	27	0
2025/26	126	5	25.20	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2006/07: 120 in 2005/06 → 134, +14 pupils.
Biggest loss in a single year: 1993/94: 139 in 1982/83 → 113, -26 pupils.
Largest single-class increase: Senior Infants in 2025/26 (12 → 21, +9).
Largest single-class decrease: 4th Class in 2021/22 (22 → 15, -7).
Largest cohort-step gain: JI → SI in 2025/26 (15 → 21, +6).
Largest cohort-step loss: SI → 1st in 2022/23 (17 → 15, -2).
Overall: 118 (1975/76) → 137 (2025/26), 19.

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	10	17	14.2	6
Senior Infants	12	21	16.3	6
1st Class	13	18	14.8	6
2nd Class	13	19	16.3	6
3rd Class	13	19	16.3	6
4th Class	14	22	17.5	6
5th Class	13	21	16.8	6
6th Class	14	20	16.0	6
Total	106	144	128.5	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 17

SI 2021/22 17

-2

1st 2022/23 15

2nd 2023/24 16

3rd 2024/25 19

4th 2025/26 19

Cohort 2021/22

JI 2021/22 14

-1

SI 2022/23 13

1st 2023/24 13

2nd 2024/25 16

3rd 2025/26 18

Cohort 2022/23

JI 2022/23 16

SI 2023/24 16

1st 2024/25 17

2nd 2025/26 19

Cohort 2023/24

JI 2023/24 10

SI 2024/25 12

1st 2025/26 13

Cohort 2024/25

JI 2024/25 15

SI 2025/26 21

Cohort 2025/26

JI 2025/26 13

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	118
1976/77	51	72	–	–	–	–	–	–	–	–	123
1977/78	57	77	–	–	–	–	–	–	–	–	134
1978/79	66	72	–	–	–	–	–	–	–	–	138
1979/80	73	71	–	–	–	–	–	–	–	–	144
1980/81	73	67	–	–	–	–	–	–	–	–	140
1981/82	76	64	–	–	–	–	–	–	–	–	140
1982/83	78	61	–	–	–	–	–	–	–	–	139
1993/94	56	57	–	–	–	–	–	–	–	–	113
1994/95	52	55	–	–	–	–	–	–	–	–	107
1995/96	47	59	–	–	–	–	–	–	–	–	106
1996/97	44	66	–	–	–	–	–	–	–	–	110
1997/98	48	68	–	–	–	–	–	–	–	–	116
1998/99	53	63	–	–	–	–	–	–	–	–	116
1999/00	51	75	–	–	–	–	–	–	–	–	126
2000/01	55	73	–	–	–	–	–	–	–	–	128
2001/02	50	74	–	–	–	–	–	–	–	–	124
2002/03	49	73	–	–	–	–	–	–	–	–	122
2003/04	51	72	–	–	–	–	–	–	–	–	123
2004/05	54	70	–	–	–	–	–	–	–	–	124
2005/06	51	69	–	–	–	–	–	–	–	–	120
2006/07	58	76	–	–	–	–	–	–	–	–	134
2007/08	61	80	–	–	–	–	–	–	–	–	141
2008/09	64	73	–	–	–	–	–	–	–	–	137
2009/10	64	68	–	–	–	–	–	–	–	–	132
2010/11	68	69	–	–	–	–	–	–	–	–	137
2011/12	64	74	–	–	–	–	–	–	–	–	138
2012/13	64	73	–	–	–	–	–	–	–	–	137
2013/14	59	73	–	–	–	–	–	–	–	–	132
2014/15	58	67	–	–	–	–	–	–	–	–	125
2015/16	69	63	–	–	–	–	–	–	–	–	132
2016/17	71	70	–	–	–	–	–	–	–	–	141
2017/18	68	67	–	–	–	–	–	–	–	–	135
2018/19	66	66	–	–	–	–	–	–	–	–	132
2019/20	67	66	–	–	–	–	–	–	–	–	133
2020/21	67	62	17	19	13	16	14	22	13	15	129
2021/22	66	61	14	17	18	13	15	15	21	14	127
2022/23	61	65	16	13	15	18	13	16	15	20	126
2023/24	54	67	10	16	13	16	19	14	17	16	121
2024/25	67	63	15	12	17	16	19	19	15	17	130
2025/26	71	66	13	21	13	19	18	19	20	14	137