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VIRGIN MARY GIRLS NATIONAL SCHOOL

Roll number: 19303W Shangan Road, Ballymun, Dublin 9

School details

Address: Shangan Road, Ballymun, Dublin 9 (D09T2X6)
Email: [email protected]
Phone: 018421614
Principal: Niamh Cuthbert
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: Whitehall_SantryD9

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

19.25

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	161	9	17.89	24	0
2007/08	145	9	16.11	22	0
2008/09	142	8	17.75	24	0
2009/10	124	8	15.50	20	0
2010/11	120	7	17.14	22	0
2011/12	127	7	18.14	29	0
2012/13	123	7	17.57	29	0
2013/14	127	7	18.14	30	1
2014/15	125	7	17.86	25	0
2015/16	133	7	19.00	26	0
2016/17	145	8	18.12	26	0
2017/18	157	8	19.62	26	0
2019/20	166	8	20.75	25	0
2020/21	184	8	23.00	26	0
2021/22	175	10	17.50	25	0
2022/23	184	8	23.00	25	0
2023/24	185	8	23.12	26	0
2024/25	171	9	19.00	24	0
2025/26	154	8	19.25	22	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1976/77: 738 in 1975/76 → 785, +47 pupils.
Biggest loss in a single year: 1993/94: 538 in 1983/84 → 335, -203 pupils.
Largest single-class increase: 6th Class in 2022/23 (17 → 23, +6).
Largest single-class decrease: Senior Infants in 2025/26 (23 → 13, -10).
Largest cohort-step gain: JI → SI in 2021/22 (18 → 21, +3).
Largest cohort-step loss: 1st → 2nd in 2023/24 (24 → 20, -4).
Overall: 759 (1974/75) → 160 (2025/26), -599.

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	16	24	20.0	6
Senior Infants	13	25	21.5	6
1st Class	19	24	22.3	6
2nd Class	20	24	22.0	6
3rd Class	21	26	22.8	6
4th Class	21	25	22.8	6
5th Class	21	25	22.8	6
6th Class	17	26	22.2	6
Total	123	801	315.1	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 21

1st 2022/23 24

-4

2nd 2023/24 20

3rd 2024/25 21

4th 2025/26 21

Cohort 2021/22

JI 2021/22 23

SI 2022/23 24

-2

1st 2023/24 22

-1

2nd 2024/25 21

3rd 2025/26 24

Cohort 2022/23

JI 2022/23 21

SI 2023/24 23

-1

1st 2024/25 22

2nd 2025/26 22

Cohort 2023/24

JI 2023/24 24

-1

SI 2024/25 23

-4

1st 2025/26 19

Cohort 2024/25

JI 2024/25 16

-3

SI 2025/26 13

Cohort 2025/26

JI 2025/26 18

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	759	–	–	–	–	–	–	–	–	–	759
1975/76	–	–	–	–	–	–	–	–	–	–	738
1976/77	785	–	–	–	–	–	–	–	–	–	785
1977/78	801	–	–	–	–	–	–	–	–	–	801
1978/79	–	–	–	–	–	–	–	–	–	–	782
1979/80	697	–	–	–	–	–	–	–	–	–	697
1980/81	723	–	–	–	–	–	–	–	–	–	723
1981/82	701	–	–	–	–	–	–	–	–	–	701
1982/83	582	–	–	–	–	–	–	–	–	–	582
1983/84	538	–	–	–	–	–	–	–	–	–	538
1993/94	335	–	–	–	–	–	–	–	–	–	335
1994/95	330	–	–	–	–	–	–	–	–	–	330
1995/96	309	–	–	–	–	–	–	–	–	–	309
1996/97	292	–	–	–	–	–	–	–	–	–	292
1997/98	278	–	–	–	–	–	–	–	–	–	278
1998/99	257	–	–	–	–	–	–	–	–	–	257
1999/00	261	–	–	–	–	–	–	–	–	–	261
2000/01	244	–	–	–	–	–	–	–	–	–	244
2001/02	239	–	–	–	–	–	–	–	–	–	239
2002/03	230	–	–	–	–	–	–	–	–	–	230
2003/04	205	–	–	–	–	–	–	–	–	–	205
2004/05	203	–	–	–	–	–	–	–	–	–	203
2005/06	186	–	–	–	–	–	–	–	–	–	186
2006/07	174	–	–	–	–	–	–	–	–	–	174
2007/08	153	–	–	–	–	–	–	–	–	–	153
2008/09	147	–	–	–	–	–	–	–	–	–	147
2009/10	126	–	–	–	–	–	–	–	–	–	126
2010/11	125	–	–	–	–	–	–	–	–	–	125
2011/12	128	–	–	–	–	–	–	–	–	–	128
2012/13	123	–	–	–	–	–	–	–	–	–	123
2013/14	127	–	–	–	–	–	–	–	–	–	127
2014/15	125	–	–	–	–	–	–	–	–	–	125
2015/16	133	–	–	–	–	–	–	–	–	–	133
2016/17	145	–	–	–	–	–	–	–	–	–	145
2017/18	157	–	–	–	–	–	–	–	–	–	157
2018/19	162	–	–	–	–	–	–	–	–	–	162
2019/20	166	–	–	–	–	–	–	–	–	–	166
2020/21	184	–	18	25	24	24	26	25	21	21	184
2021/22	181	–	23	21	23	22	21	25	23	17	181
2022/23	190	–	21	24	24	23	22	22	25	23	190
2023/24	191	–	24	23	22	20	23	23	24	26	191
2024/25	177	–	16	23	22	21	21	21	23	24	177
2025/26	160	–	18	13	19	22	24	21	21	22	160