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ST MARYS BNS

Roll number: 17150N St Mary's Hill, Monaghan

School details

Address: St Mary's Hill, Monaghan (H18A215)
Email: [email protected]
Phone: 04782361
Principal: Colm Mac Cinna
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Monaghan County Council
School patron: Bishop of Clogher
School type: Ordinary with Special Classes
School level: Senior
Planning area: Monaghan

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: 1978/79: 344 in 1977/78 → 373, +29 pupils.
Biggest loss in a single year: 1993/94: 383 in 1983/84 → 301, -82 pupils.
Largest single-class increase: 2nd Class in 2023/24 (29 → 42, +13).
Largest single-class decrease: 2nd Class in 2022/23 (44 → 29, -15).
Largest cohort-step gain: 1st → 2nd in 2023/24 (0 → 42, +42).
Largest cohort-step loss: SI → 1st in 2021/22 (10 → 0, -10).
Overall: 330 (1974/75) → 229 (2025/26 (preliminary)), -101.

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	3	3	3.0	1
Senior Infants	0	10	5.0	2
2nd Class	29	49	40.8	5
3rd Class	29	55	43.8	5
4th Class	32	55	46.4	5
5th Class	44	56	51.6	5
6th Class	48	60	52.8	5
Total	222	383	296.8	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 3

-3

SI 2021/22 0

1st 2022/23 0

+42

2nd 2023/24 42

3rd 2024/25 42

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	–	330	–	–	–	–	–	–	–	–	330
1975/76	–	–	–	–	–	–	–	–	–	–	344
1976/77	–	355	–	–	–	–	–	–	–	–	355
1977/78	–	344	–	–	–	–	–	–	–	–	344
1978/79	–	373	–	–	–	–	–	–	–	–	373
1979/80	–	370	–	–	–	–	–	–	–	–	370
1980/81	–	372	–	–	–	–	–	–	–	–	372
1981/82	–	382	–	–	–	–	–	–	–	–	382
1982/83	–	381	–	–	–	–	–	–	–	–	381
1983/84	–	383	–	–	–	–	–	–	–	–	383
1993/94	–	301	–	–	–	–	–	–	–	–	301
1994/95	–	311	–	–	–	–	–	–	–	–	311
1995/96	6	313	–	–	–	–	–	–	–	–	319
1996/97	5	286	–	–	–	–	–	–	–	–	291
1997/98	1	291	–	–	–	–	–	–	–	–	292
1998/99	–	294	–	–	–	–	–	–	–	–	294
1999/00	–	268	–	–	–	–	–	–	–	–	268
2000/01	1	250	–	–	–	–	–	–	–	–	251
2001/02	3	253	–	–	–	–	–	–	–	–	256
2002/03	5	242	–	–	–	–	–	–	–	–	247
2003/04	3	257	–	–	–	–	–	–	–	–	260
2004/05	2	285	–	–	–	–	–	–	–	–	287
2005/06	2	289	–	–	–	–	–	–	–	–	291
2006/07	2	282	–	–	–	–	–	–	–	–	284
2007/08	1	295	–	–	–	–	–	–	–	–	296
2008/09	1	297	–	–	–	–	–	–	–	–	298
2009/10	–	287	–	–	–	–	–	–	–	–	287
2010/11	2	285	–	–	–	–	–	–	–	–	287
2011/12	4	286	–	–	–	–	–	–	–	–	290
2012/13	2	301	–	–	–	–	–	–	–	–	303
2013/14	1	288	–	–	–	–	–	–	–	–	289
2014/15	3	281	–	–	–	–	–	–	–	–	284
2015/16	4	273	–	–	–	–	–	–	–	–	277
2016/17	2	274	–	–	–	–	–	–	–	–	276
2017/18	2	270	–	–	–	–	–	–	–	–	272
2018/19	2	261	–	–	–	–	–	–	–	–	263
2019/20	1	276	–	–	–	–	–	–	–	–	277
2020/21	–	273	3	10	–	49	55	53	54	49	273
2021/22	1	270	–	–	–	44	49	55	56	53	271
2022/23	1	243	–	–	–	29	44	47	56	54	244
2023/24	2	236	–	–	–	42	29	45	48	60	238
2024/25	4	218	–	–	–	40	42	32	44	48	222
2025/26 (preliminary)	4	225	–	–	–	–	–	–	–	–	229