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S N Seosamh na mBrathar

Roll number: 18726W Marino Park Avenue, Fairview, Dublin 3

School details

Address: Marino Park Avenue, Fairview, Dublin 3 (D03H524)
Email: [email protected]
Phone: 018336127
Principal: Kevin Gillen
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: Senior
Planning area: Drumcondra_Marino_Dublin1

Preliminary data

The latest year shown (2025/26) is preliminary and subject to revision when the official enrolment figures are released by the Department of Education.

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2002/03: 156 in 2001/02 → 175, +19 pupils.
Biggest loss in a single year: 1993/94: 367 in 1982/83 → 174, -193 pupils.
Largest single-class increase: 4th Class in 2022/23 (12 → 23, +11).
Largest single-class decrease: 6th Class in 2021/22 (29 → 20, -9).
Largest cohort-step gain: 1st → 2nd in 2024/25 (0 → 23, +23).
Largest cohort-step loss: 3rd → 4th in 2024/25 (17 → 15, -2).
Overall: 476 (1974/75) → 116 (2025/26 (preliminary)), -360.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available years (2020/21–2024/25; preliminary year excluded from class stats).

Class	Min	Max	Mean	Years
Junior Infants	1	1	1.0	3
Senior Infants	1	1	1.0	1
1st Class	2	2	2.0	1
2nd Class	14	23	16.6	5
3rd Class	12	17	15.8	5
4th Class	12	23	16.8	5
5th Class	19	23	21.2	5
6th Class	20	29	25.0	5
Total	104	479	213.4	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 1

-1

SI 2021/22 0

+17

2nd 2023/24 17

3rd 2024/25 17

Cohort 2022/23

JI 2022/23 1

-1

SI 2023/24 0

Cohort 2024/25

JI 2024/25 1

Raw data by year

Years marked (preliminary) are subject to revision when official data are published.

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	476	–	–	–	–	–	–	–	–	476
1975/76	–	–	–	–	–	–	–	–	–	–	479
1976/77	–	471	–	–	–	–	–	–	–	–	471
1977/78	–	462	–	–	–	–	–	–	–	–	462
1978/79	–	433	–	–	–	–	–	–	–	–	433
1979/80	–	417	–	–	–	–	–	–	–	–	417
1980/81	–	400	–	–	–	–	–	–	–	–	400
1981/82	–	387	–	–	–	–	–	–	–	–	387
1982/83	–	367	–	–	–	–	–	–	–	–	367
1993/94	–	174	–	–	–	–	–	–	–	–	174
1994/95	–	175	–	–	–	–	–	–	–	–	175
1995/96	–	162	–	–	–	–	–	–	–	–	162
1996/97	–	162	–	–	–	–	–	–	–	–	162
1997/98	–	157	–	–	–	–	–	–	–	–	157
1998/99	–	156	–	–	–	–	–	–	–	–	156
1999/00	–	152	–	–	–	–	–	–	–	–	152
2000/01	–	152	–	–	–	–	–	–	–	–	152
2001/02	–	156	–	–	–	–	–	–	–	–	156
2002/03	–	175	–	–	–	–	–	–	–	–	175
2003/04	–	178	–	–	–	–	–	–	–	–	178
2004/05	–	183	–	–	–	–	–	–	–	–	183
2005/06	–	180	–	–	–	–	–	–	–	–	180
2006/07	–	191	–	–	–	–	–	–	–	–	191
2007/08	–	178	–	–	–	–	–	–	–	–	178
2008/09	–	182	–	–	–	–	–	–	–	–	182
2009/10	–	190	–	–	–	–	–	–	–	–	190
2010/11	–	185	–	–	–	–	–	–	–	–	185
2011/12	–	182	–	–	–	–	–	–	–	–	182
2012/13	–	180	–	–	–	–	–	–	–	–	180
2013/14	–	167	–	–	–	–	–	–	–	–	167
2014/15	–	140	–	–	–	–	–	–	–	–	140
2015/16	–	131	–	–	–	–	–	–	–	–	131
2016/17	–	125	–	–	–	–	–	–	–	–	125
2017/18	–	129	–	–	–	–	–	–	–	–	129
2018/19	–	126	–	–	–	–	–	–	–	–	126
2019/20	–	125	–	–	–	–	–	–	–	–	125
2020/21	–	112	1	–	–	14	12	20	19	29	112
2021/22	–	104	–	–	2	14	17	12	23	20	104
2022/23	–	120	1	1	–	15	16	23	23	28	120
2023/24	–	112	–	–	–	17	17	14	22	25	112
2024/25	–	115	1	–	–	23	17	15	19	23	115
2025/26 (preliminary)	–	116	–	–	–	–	–	–	–	–	116