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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

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
22.56
2025/26
Mainstream classes
9
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
1
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 251 10 25.10 31 2
2007/08 263 10 26.30 33 2
2008/09 266 11 24.18 28 0
2009/10 259 11 23.55 31 1
2010/11 255 11 23.18 26 0
2011/12 276 11 25.09 28 0
2012/13 289 11 26.27 32 2
2013/14 275 11 25.00 29 0
2014/15 270 11 24.55 32 2
2015/16 263 10 26.30 32 2
2016/17 263 10 26.30 34 2
2017/18 258 10 25.80 29 0
2019/20 263 10 26.30 30 1
2020/21 259 11 23.55 28 0
2021/22 257 11 23.36 29 0
2022/23 230 11 20.91 27 0
2023/24 224 10 22.40 30 2
2024/25 206 10 20.60 24 0
2025/26 203 9 22.56 31 1

Data highlights

Key numbers to spot outliers or notable changes.

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 3 8 5.5 2
Senior Infants 0 10 6.3 3
1st Class 4 4 4.0 1
2nd Class 29 49 41.5 6
3rd Class 29 55 43.3 6
4th Class 32 55 45.8 6
5th Class 31 56 48.2 6
6th Class 48 60 52.0 6
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

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
0
1st 2022/23 0
+42
2nd 2023/24 42
0
3rd 2024/25 42
+1
4th 2025/26 43
Cohort 2025/26
JI 2025/26 8

Raw data by year

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 4 225 8 9 4 45 41 43 31 48 229