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SCOIL MHUIRE OGH 1

Roll number: 16964F Crumlin Road, Dublin 12

School details

Address
Crumlin Road, Dublin 12 (D12EH28)
Email
[email protected]
Phone
014541669
Principal
Angela Mitchell
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
Dolphin's Barn_D12

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
20.60
2025/26
Mainstream classes
10
2025/26
Largest class group
24
2025/26
Classes with 30+ pupils
0
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 178 8 22.25 27 0
2007/08 166 8 20.75 23 0
2008/09 152 8 19.00 23 0
2009/10 170 7 24.29 34 1
2010/11 169 8 21.12 26 0
2011/12 167 8 20.88 26 0
2012/13 172 8 21.50 26 0
2013/14 152 8 19.00 23 0
2014/15 151 7 21.57 23 0
2015/16 145 7 20.71 24 0
2016/17 153 9 17.00 19 0
2017/18 181 8 22.62 27 0
2019/20 236 10 23.60 27 0
2020/21 242 10 24.20 30 1
2021/22 213 11 19.36 24 0
2022/23 215 10 21.50 26 0
2023/24 205 10 20.50 26 0
2024/25 208 10 20.80 25 0
2025/26 206 10 20.60 24 0

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 0 0 0.0 1
Senior Infants 0 0 0.0 1
1st Class 0 0 0.0 1
2nd Class 0 0 0.0 1
3rd Class 43 59 52.2 6
4th Class 46 69 55.7 6
5th Class 46 64 55.7 6
6th Class 49 63 55.5 6
Total 145 410 243.9 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

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 2025/26
JI 2025/26 0

Raw data by year

Year Female Male JI SI 1st 2nd 3rd 4th 5th 6th Total
1974/75 410 – – – – – – – – – 410
1975/76 – – – – – – – – – – 383
1976/77 372 – – – – – – – – – 372
1977/78 361 – – – – – – – – – 361
1978/79 347 – – – – – – – – – 347
1979/80 382 – – – – – – – – – 382
1980/81 349 – – – – – – – – – 349
1981/82 356 – – – – – – – – – 356
1982/83 354 – – – – – – – – – 354
1993/94 307 – – – – – – – – – 307
1994/95 305 – – – – – – – – – 305
1995/96 266 – – – – – – – – – 266
1996/97 252 – – – – – – – – – 252
1997/98 250 – – – – – – – – – 250
1998/99 234 – – – – – – – – – 234
1999/00 243 – – – – – – – – – 243
2000/01 243 – – – – – – – – – 243
2001/02 250 – – – – – – – – – 250
2002/03 233 – – – – – – – – – 233
2003/04 238 – – – – – – – – – 238
2004/05 209 – – – – – – – – – 209
2005/06 173 – – – – – – – – – 173
2006/07 188 – – – – – – – – – 188
2007/08 174 – – – – – – – – – 174
2008/09 157 – – – – – – – – – 157
2009/10 173 – – – – – – – – – 173
2010/11 171 – – – – – – – – – 171
2011/12 167 – – – – – – – – – 167
2012/13 172 – – – – – – – – – 172
2013/14 152 – – – – – – – – – 152
2014/15 151 – – – – – – – – – 151
2015/16 145 – – – – – – – – – 145
2016/17 136 17 – – – – – – – – 153
2017/18 137 44 – – – – – – – – 181
2018/19 130 62 – – – – – – – – 192
2019/20 146 90 – – – – – – – – 236
2020/21 151 91 – – – – 59 69 53 61 242
2021/22 132 84 – – – – 49 54 64 49 216
2022/23 131 89 – – – – 55 49 53 63 220
2023/24 124 87 – – – – 59 54 46 52 211
2024/25 117 97 – – – – 43 62 57 51 214
2025/26 116 96 – – – – 48 46 61 57 212