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

S N COILL DUBH

Roll number: 18096P Coill Dubh, Naas, Co. Kildare

School details

Address: Coill Dubh, Naas, Co. Kildare (W91D854)
Email: [email protected]
Phone: 045860023
Principal: Joseph Leacy
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Kildare County Council
School patron: Bishop of Kildare & Leighlin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Prosperous_Clane

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

23.43

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	118	5	23.60	27	0
2007/08	129	5	25.80	31	1
2008/09	128	5	25.60	31	2
2009/10	133	5	26.60	30	2
2010/11	134	6	22.33	27	0
2011/12	137	5	27.40	29	0
2012/13	133	5	26.60	30	1
2013/14	145	6	24.17	28	0
2014/15	156	6	26.00	28	0
2015/16	159	6	26.50	29	0
2016/17	151	6	25.17	27	0
2017/18	154	6	25.67	30	1
2019/20	156	6	26.00	28	0
2020/21	165	7	23.57	29	0
2021/22	171	7	24.43	28	0
2022/23	173	7	24.71	28	0
2023/24	170	8	21.25	26	0
2024/25	160	7	22.86	27	0
2025/26	164	7	23.43	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2006/07: 97 in 2005/06 → 118, +21 pupils.
Biggest loss in a single year: 1993/94: 161 in 1983/84 → 114, -47 pupils.
Largest single-class increase: Junior Infants in 2025/26 (12 → 28, +16).
Largest single-class decrease: Junior Infants in 2023/24 (24 → 15, -9).
Largest cohort-step gain: JI → SI in 2025/26 (12 → 18, +6).
Largest cohort-step loss: 1st → 2nd in 2024/25 (23 → 21, -2).
Overall: 242 (1974/75) → 182 (2025/26), -60.

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	12	28	19.7	6
Senior Infants	15	24	19.2	6
1st Class	17	24	20.3	6
2nd Class	17	24	20.7	6
3rd Class	18	25	20.7	6
4th Class	20	25	21.7	6
5th Class	22	26	23.7	6
6th Class	19	28	24.3	6
Total	67	242	146.5	43

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 18

SI 2021/22 18

1st 2022/23 18

-1

2nd 2023/24 17

3rd 2024/25 18

4th 2025/26 21

Cohort 2021/22

JI 2021/22 21

SI 2022/23 22

1st 2023/24 23

-2

2nd 2024/25 21

3rd 2025/26 21

Cohort 2022/23

JI 2022/23 24

SI 2023/24 24

1st 2024/25 24

2nd 2025/26 24

Cohort 2023/24

JI 2023/24 15

SI 2024/25 15

1st 2025/26 17

Cohort 2024/25

JI 2024/25 12

SI 2025/26 18

Cohort 2025/26

JI 2025/26 28

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	123	119	–	–	–	–	–	–	–	–	242
1975/76	–	–	–	–	–	–	–	–	–	–	235
1976/77	119	115	–	–	–	–	–	–	–	–	234
1977/78	115	103	–	–	–	–	–	–	–	–	218
1978/79	102	96	–	–	–	–	–	–	–	–	198
1979/80	92	100	–	–	–	–	–	–	–	–	192
1980/81	93	96	–	–	–	–	–	–	–	–	189
1981/82	93	92	–	–	–	–	–	–	–	–	185
1982/83	78	81	–	–	–	–	–	–	–	–	159
1983/84	80	81	–	–	–	–	–	–	–	–	161
1993/94	52	62	–	–	–	–	–	–	–	–	114
1994/95	49	63	–	–	–	–	–	–	–	–	112
1995/96	48	61	–	–	–	–	–	–	–	–	109
1996/97	44	55	–	–	–	–	–	–	–	–	99
1997/98	46	48	–	–	–	–	–	–	–	–	94
1998/99	44	50	–	–	–	–	–	–	–	–	94
1999/00	41	46	–	–	–	–	–	–	–	–	87
2000/01	41	45	–	–	–	–	–	–	–	–	86
2001/02	36	46	–	–	–	–	–	–	–	–	82
2002/03	30	37	–	–	–	–	–	–	–	–	67
2003/04	30	38	–	–	–	–	–	–	–	–	68
2004/05	41	44	–	–	–	–	–	–	–	–	85
2005/06	48	49	–	–	–	–	–	–	–	–	97
2006/07	64	54	–	–	–	–	–	–	–	–	118
2007/08	67	62	–	–	–	–	–	–	–	–	129
2008/09	72	56	–	–	–	–	–	–	–	–	128
2009/10	74	59	–	–	–	–	–	–	–	–	133
2010/11	74	60	–	–	–	–	–	–	–	–	134
2011/12	72	65	–	–	–	–	–	–	–	–	137
2012/13	72	61	–	–	–	–	–	–	–	–	133
2013/14	79	66	–	–	–	–	–	–	–	–	145
2014/15	87	69	–	–	–	–	–	–	–	–	156
2015/16	87	72	–	–	–	–	–	–	–	–	159
2016/17	78	73	–	–	–	–	–	–	–	–	151
2017/18	79	75	–	–	–	–	–	–	–	–	154
2018/19	76	84	–	–	–	–	–	–	–	–	160
2019/20	83	85	–	–	–	–	–	–	–	–	168
2020/21	84	93	18	18	20	23	21	21	25	19	177
2021/22	86	97	21	18	20	19	25	21	22	25	183
2022/23	83	102	24	22	18	20	18	25	22	24	185
2023/24	81	101	15	24	23	17	21	20	26	24	182
2024/25	81	97	12	15	24	21	18	22	22	26	178
2025/26	79	103	28	18	17	24	21	21	25	28	182