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S N TIR MOCHAIN

Roll number: 18666H Donadea, Naas, Co. Kildare

School details

Address: Donadea, Naas, Co. Kildare (W91HX78)
Email: [email protected]
Phone: 045869442
Principal: Brian Sweeney
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
School level: All-Through School
Planning area: Kilcock

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

20.00

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	146	5	29.20	30	3
2007/08	152	6	25.33	27	0
2008/09	155	6	25.83	31	1
2009/10	162	6	27.00	30	1
2010/11	165	6	27.50	30	4
2011/12	148	6	24.67	28	0
2012/13	132	6	22.00	26	0
2013/14	122	5	24.40	30	1
2014/15	125	5	25.00	29	0
2015/16	124	5	24.80	29	0
2016/17	129	5	25.80	27	0
2017/18	130	5	26.00	33	1
2019/20	121	5	24.20	27	0
2020/21	122	5	24.40	34	1
2021/22	120	5	24.00	34	2
2022/23	117	5	23.40	29	0
2023/24	116	5	23.20	30	1
2024/25	108	5	21.60	26	0
2025/26	100	5	20.00	24	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2002/03: 89 in 2001/02 → 108, +19 pupils.
Biggest loss in a single year: 2011/12: 165 in 2010/11 → 148, -17 pupils.
Largest single-class increase: 1st Class in 2021/22 (11 → 18, +7).
Largest single-class decrease: 4th Class in 2025/26 (20 → 10, -10).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (11 → 13, +2).
Largest cohort-step loss: JI → SI in 2021/22 (11 → 10, -1).
Overall: 56 (1974/75) → 100 (2025/26), 44.

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	5	14	9.8	6
Senior Infants	6	18	12.0	6
1st Class	10	18	13.3	6
2nd Class	9	18	13.7	6
3rd Class	10	19	14.5	6
4th Class	10	20	16.0	6
5th Class	15	20	17.7	6
6th Class	14	19	16.8	6
Total	52	165	102.5	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 11

-1

SI 2021/22 10

1st 2022/23 10

-1

2nd 2023/24 9

3rd 2024/25 10

4th 2025/26 10

Cohort 2021/22

JI 2021/22 10

SI 2022/23 10

1st 2023/24 11

2nd 2024/25 11

3rd 2025/26 13

Cohort 2022/23

JI 2022/23 13

SI 2023/24 14

1st 2024/25 15

2nd 2025/26 16

Cohort 2023/24

JI 2023/24 14

SI 2024/25 14

1st 2025/26 15

Cohort 2024/25

JI 2024/25 6

SI 2025/26 6

Cohort 2025/26

JI 2025/26 5

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	33	23	–	–	–	–	–	–	–	–	56
1975/76	–	–	–	–	–	–	–	–	–	–	56
1976/77	27	25	–	–	–	–	–	–	–	–	52
1977/78	27	28	–	–	–	–	–	–	–	–	55
1978/79	28	29	–	–	–	–	–	–	–	–	57
1979/80	32	31	–	–	–	–	–	–	–	–	63
1980/81	33	32	–	–	–	–	–	–	–	–	65
1981/82	34	37	–	–	–	–	–	–	–	–	71
1982/83	32	38	–	–	–	–	–	–	–	–	70
1983/84	36	44	–	–	–	–	–	–	–	–	80
1993/94	35	34	–	–	–	–	–	–	–	–	69
1994/95	33	38	–	–	–	–	–	–	–	–	71
1995/96	39	34	–	–	–	–	–	–	–	–	73
1996/97	34	32	–	–	–	–	–	–	–	–	66
1997/98	37	29	–	–	–	–	–	–	–	–	66
1998/99	42	31	–	–	–	–	–	–	–	–	73
1999/00	42	36	–	–	–	–	–	–	–	–	78
2000/01	49	39	–	–	–	–	–	–	–	–	88
2001/02	46	43	–	–	–	–	–	–	–	–	89
2002/03	52	56	–	–	–	–	–	–	–	–	108
2003/04	59	62	–	–	–	–	–	–	–	–	121
2004/05	66	65	–	–	–	–	–	–	–	–	131
2005/06	65	67	–	–	–	–	–	–	–	–	132
2006/07	71	75	–	–	–	–	–	–	–	–	146
2007/08	70	82	–	–	–	–	–	–	–	–	152
2008/09	69	86	–	–	–	–	–	–	–	–	155
2009/10	70	92	–	–	–	–	–	–	–	–	162
2010/11	73	92	–	–	–	–	–	–	–	–	165
2011/12	63	85	–	–	–	–	–	–	–	–	148
2012/13	48	84	–	–	–	–	–	–	–	–	132
2013/14	48	74	–	–	–	–	–	–	–	–	122
2014/15	50	75	–	–	–	–	–	–	–	–	125
2015/16	54	70	–	–	–	–	–	–	–	–	124
2016/17	54	75	–	–	–	–	–	–	–	–	129
2017/18	60	70	–	–	–	–	–	–	–	–	130
2018/19	55	68	–	–	–	–	–	–	–	–	123
2019/20	55	66	–	–	–	–	–	–	–	–	121
2020/21	59	63	11	18	11	16	17	17	18	14	122
2021/22	59	61	10	10	18	12	16	18	18	18	120
2022/23	55	62	13	10	10	18	12	17	19	18	117
2023/24	51	65	14	14	11	9	19	14	16	19	116
2024/25	47	61	6	14	15	11	10	20	15	17	108
2025/26	42	58	5	6	15	16	13	10	20	15	100