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

MARIST NATIONAL SCHOOL

Roll number: 18386B Clogher Road, Crumlin, Dublin 12

School details

Address: Clogher Road, Crumlin, Dublin 12 (D12YP98)
Email: [email protected]
Phone: 014541228
Principal: Sr. Geraldine Campbell
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dublin City Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Dolphin's Barn_D12

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

18.55

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	255	13	19.62	28	0
2007/08	255	13	19.62	25	0
2008/09	254	13	19.54	25	0
2009/10	242	13	18.62	23	0
2010/11	261	12	21.75	27	0
2011/12	278	13	21.38	27	0
2012/13	294	13	22.62	30	1
2013/14	307	14	21.93	30	1
2014/15	324	14	23.14	33	2
2015/16	299	14	21.36	31	2
2016/17	305	14	21.79	31	2
2017/18	290	14	20.71	30	3
2019/20	279	13	21.46	30	1
2020/21	244	13	18.77	29	0
2021/22	233	12	19.42	29	0
2022/23	227	12	18.92	28	0
2023/24	216	12	18.00	27	0
2024/25	206	12	17.17	24	0
2025/26	204	11	18.55	23	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1977/78: 635 in 1976/77 → 679, +44 pupils.
Biggest loss in a single year: 1993/94: 500 in 1982/83 → 343, -157 pupils.
Largest single-class increase: 3rd Class in 2025/26 (12 → 24, +12).
Largest single-class decrease: Senior Infants in 2021/22 (46 → 31, -15).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (20 → 24, +4).
Largest cohort-step loss: 1st → 2nd in 2022/23 (43 → 23, -20).
Overall: 754 (1974/75) → 210 (2025/26), -544.

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	30	44	37.5	6
Senior Infants	31	46	36.3	6
1st Class	29	43	35.0	6
2nd Class	12	27	20.7	6
3rd Class	12	28	22.3	6
4th Class	14	29	22.0	6
5th Class	20	29	25.0	6
6th Class	21	28	24.5	6
Total	210	754	348.6	42

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 30

SI 2021/22 31

-2

1st 2022/23 29

-17

2nd 2023/24 12

3rd 2024/25 12

4th 2025/26 14

Cohort 2021/22

JI 2021/22 36

-3

SI 2022/23 33

-3

1st 2023/24 30

-10

2nd 2024/25 20

3rd 2025/26 24

Cohort 2022/23

JI 2022/23 43

-1

SI 2023/24 42

-3

1st 2024/25 39

-19

2nd 2025/26 20

Cohort 2023/24

JI 2023/24 35

-2

SI 2024/25 33

-4

1st 2025/26 29

Cohort 2024/25

JI 2024/25 37

-4

SI 2025/26 33

Cohort 2025/26

JI 2025/26 44

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	578	176	–	–	–	–	–	–	–	–	754
1975/76	–	–	–	–	–	–	–	–	–	–	693
1976/77	476	159	–	–	–	–	–	–	–	–	635
1977/78	508	171	–	–	–	–	–	–	–	–	679
1978/79	477	156	–	–	–	–	–	–	–	–	633
1979/80	449	153	–	–	–	–	–	–	–	–	602
1980/81	419	149	–	–	–	–	–	–	–	–	568
1981/82	390	145	–	–	–	–	–	–	–	–	535
1982/83	368	132	–	–	–	–	–	–	–	–	500
1993/94	245	98	–	–	–	–	–	–	–	–	343
1994/95	229	80	–	–	–	–	–	–	–	–	309
1995/96	223	78	–	–	–	–	–	–	–	–	301
1996/97	216	81	–	–	–	–	–	–	–	–	297
1997/98	196	73	–	–	–	–	–	–	–	–	269
1998/99	191	79	–	–	–	–	–	–	–	–	270
1999/00	183	87	–	–	–	–	–	–	–	–	270
2000/01	172	99	–	–	–	–	–	–	–	–	271
2001/02	186	108	–	–	–	–	–	–	–	–	294
2002/03	191	79	–	–	–	–	–	–	–	–	270
2003/04	199	84	–	–	–	–	–	–	–	–	283
2004/05	192	81	–	–	–	–	–	–	–	–	273
2005/06	187	81	–	–	–	–	–	–	–	–	268
2006/07	185	79	–	–	–	–	–	–	–	–	264
2007/08	189	74	–	–	–	–	–	–	–	–	263
2008/09	188	76	–	–	–	–	–	–	–	–	264
2009/10	178	68	–	–	–	–	–	–	–	–	246
2010/11	190	71	–	–	–	–	–	–	–	–	261
2011/12	203	75	–	–	–	–	–	–	–	–	278
2012/13	210	84	–	–	–	–	–	–	–	–	294
2013/14	220	87	–	–	–	–	–	–	–	–	307
2014/15	231	93	–	–	–	–	–	–	–	–	324
2015/16	216	83	–	–	–	–	–	–	–	–	299
2016/17	229	76	–	–	–	–	–	–	–	–	305
2017/18	227	63	–	–	–	–	–	–	–	–	290
2018/19	210	71	–	–	–	–	–	–	–	–	281
2019/20	208	75	–	–	–	–	–	–	–	–	283
2020/21	190	58	30	46	40	27	28	19	29	25	248
2021/22	189	50	36	31	43	22	24	29	20	28	239
2022/23	182	51	43	33	29	23	24	26	28	21	233
2023/24	165	57	35	42	30	12	22	24	26	27	222
2024/25	157	55	37	33	39	20	12	20	24	23	212
2025/26	165	45	44	33	29	20	24	14	23	23	210