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NA MAIGHDINE MUIRE GIRL

Roll number: 19396J Ballinteer, Dublin 16

School details

Address: Ballinteer, Dublin 16 (D16C820)
Email: [email protected]
Phone: 014930736
Principal: Yvonne Lane
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Ballinteer_Stepaside_DLR

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

21.56

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	153	6	25.50	34	1
2007/08	163	6	27.17	31	2
2008/09	191	7	27.29	33	3
2009/10	199	7	28.43	33	4
2010/11	218	7	31.14	36	5
2011/12	241	8	30.12	33	6
2012/13	249	10	24.90	31	2
2013/14	277	10	27.70	31	3
2014/15	286	10	28.60	30	4
2015/16	281	11	25.55	32	3
2016/17	287	11	26.09	35	3
2017/18	299	12	24.92	33	3
2019/20	297	12	24.75	30	1
2020/21	289	14	20.64	29	0
2021/22	277	13	21.31	30	2
2022/23	255	12	21.25	29	0
2023/24	236	11	21.45	28	0
2024/25	218	10	21.80	28	0
2025/26	194	9	21.56	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 292 in 1974/75 → 388, +96 pupils.
Biggest loss in a single year: 1993/94: 532 in 1983/84 → 295, -237 pupils.
Largest single-class increase: 1st Class in 2024/25 (20 → 33, +13).
Largest single-class decrease: 2nd Class in 2022/23 (43 → 22, -21).
Largest cohort-step gain: 2nd → 3rd in 2023/24 (22 → 27, +5).
Largest cohort-step loss: 3rd → 4th in 2022/23 (39 → 35, -4).
Overall: 292 (1974/75) → 200 (2025/26), -92.

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	34	22.0	6
Senior Infants	18	33	24.0	6
1st Class	16	41	26.8	6
2nd Class	22	43	30.8	6
3rd Class	25	42	33.5	6
4th Class	25	44	35.0	6
5th Class	25	45	37.3	6
6th Class	36	43	39.3	6
Total	153	546	292.3	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 29

SI 2021/22 29

1st 2022/23 29

-1

2nd 2023/24 28

-1

3rd 2024/25 27

-2

4th 2025/26 25

Cohort 2021/22

JI 2021/22 24

-3

SI 2022/23 21

-1

1st 2023/24 20

2nd 2024/25 22

3rd 2025/26 25

Cohort 2022/23

JI 2022/23 34

-1

SI 2023/24 33

1st 2024/25 33

2nd 2025/26 33

Cohort 2023/24

JI 2023/24 16

SI 2024/25 18

-2

1st 2025/26 16

Cohort 2024/25

JI 2024/25 17

SI 2025/26 21

Cohort 2025/26

JI 2025/26 12

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	292	–	–	–	–	–	–	–	–	–	292
1975/76	–	–	–	–	–	–	–	–	–	–	388
1976/77	482	–	–	–	–	–	–	–	–	–	482
1977/78	524	–	–	–	–	–	–	–	–	–	524
1978/79	–	–	–	–	–	–	–	–	–	–	511
1980/81	522	–	–	–	–	–	–	–	–	–	522
1981/82	521	–	–	–	–	–	–	–	–	–	521
1982/83	546	–	–	–	–	–	–	–	–	–	546
1983/84	532	–	–	–	–	–	–	–	–	–	532
1993/94	295	–	–	–	–	–	–	–	–	–	295
1994/95	280	–	–	–	–	–	–	–	–	–	280
1995/96	279	–	–	–	–	–	–	–	–	–	279
1996/97	264	–	–	–	–	–	–	–	–	–	264
1997/98	256	–	–	–	–	–	–	–	–	–	256
1998/99	255	–	–	–	–	–	–	–	–	–	255
1999/00	238	–	–	–	–	–	–	–	–	–	238
2000/01	222	–	–	–	–	–	–	–	–	–	222
2001/02	211	–	–	–	–	–	–	–	–	–	211
2002/03	188	–	–	–	–	–	–	–	–	–	188
2003/04	180	–	–	–	–	–	–	–	–	–	180
2004/05	179	–	–	–	–	–	–	–	–	–	179
2005/06	169	–	–	–	–	–	–	–	–	–	169
2006/07	153	–	–	–	–	–	–	–	–	–	153
2007/08	163	–	–	–	–	–	–	–	–	–	163
2008/09	191	–	–	–	–	–	–	–	–	–	191
2009/10	199	–	–	–	–	–	–	–	–	–	199
2010/11	218	–	–	–	–	–	–	–	–	–	218
2011/12	241	–	–	–	–	–	–	–	–	–	241
2012/13	249	–	–	–	–	–	–	–	–	–	249
2013/14	277	–	–	–	–	–	–	–	–	–	277
2014/15	286	–	–	–	–	–	–	–	–	–	286
2015/16	281	–	–	–	–	–	–	–	–	–	281
2016/17	287	–	–	–	–	–	–	–	–	–	287
2017/18	299	–	–	–	–	–	–	–	–	–	299
2018/19	309	–	–	–	–	–	–	–	–	–	309
2019/20	297	–	–	–	–	–	–	–	–	–	297
2020/21	289	–	29	22	41	37	42	41	39	38	289
2021/22	277	–	24	29	22	43	39	39	41	40	277
2022/23	258	3	34	21	29	22	41	35	39	40	261
2023/24	239	3	16	33	20	28	27	44	35	39	242
2024/25	221	3	17	18	33	22	27	26	45	36	224
2025/26	197	3	12	21	16	33	25	25	25	43	200