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ST MARYS SEN N S

Roll number: 19647I ROWLAGH, CLONDALKIN, DUBLIN 22

School details

Address
ROWLAGH, CLONDALKIN, DUBLIN 22 (D22WN40)
Email
[email protected]
Phone
016262563
Principal
Annette Doherty
Ethos
Catholic
DEIS
Y
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
South Dublin County Council
School patron
Archbishop of Dublin
School type
Ordinary with Special Classes
School level
Senior
Planning area
Palmerstown_Ronanstown_D20_22

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
20.44
2025/26
Mainstream classes
9
2025/26
Largest class group
30
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+
2006/07 212 12 17.67 25 0
2007/08 199 12 16.58 22 0
2008/09 200 12 16.67 24 0
2009/10 196 12 16.33 20 0
2010/11 192 11 17.45 21 0
2011/12 197 9 21.89 27 0
2012/13 212 10 21.20 26 0
2013/14 216 11 19.64 25 0
2014/15 210 11 19.09 24 0
2015/16 222 11 20.18 30 1
2016/17 215 11 19.55 27 0
2017/18 212 11 19.27 25 0
2019/20 208 10 20.80 26 0
2020/21 201 10 20.10 26 0
2021/22 208 10 20.80 27 0
2022/23 195 10 19.50 24 0
2023/24 191 10 19.10 26 0
2024/25 170 10 17.00 21 0
2025/26 184 9 20.44 30 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 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 26 66 50.0 6
4th Class 33 66 47.2 6
5th Class 36 65 53.5 6
6th Class 44 59 51.8 6
Total 192 494 288.5 38

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
1979/80 101 106 – – – – – – – – 207
1980/81 155 167 – – – – – – – – 322
1981/82 185 206 – – – – – – – – 391
1982/83 212 226 – – – – – – – – 438
1983/84 242 252 – – – – – – – – 494
1993/94 222 258 – – – – – – – – 480
1994/95 207 230 – – – – – – – – 437
1995/96 183 223 – – – – – – – – 406
1996/97 189 237 – – – – – – – – 426
1997/98 175 219 – – – – – – – – 394
1998/99 180 215 – – – – – – – – 395
1999/00 181 188 – – – – – – – – 369
2000/01 167 189 – – – – – – – – 356
2001/02 156 170 – – – – – – – – 326
2002/03 124 155 – – – – – – – – 279
2003/04 116 149 – – – – – – – – 265
2004/05 120 139 – – – – – – – – 259
2005/06 133 138 – – – – – – – – 271
2006/07 143 128 – – – – – – – – 271
2007/08 132 125 – – – – – – – – 257
2008/09 122 120 – – – – – – – – 242
2009/10 108 111 – – – – – – – – 219
2010/11 94 117 – – – – – – – – 211
2011/12 92 115 – – – – – – – – 207
2012/13 102 119 – – – – – – – – 221
2013/14 103 122 – – – – – – – – 225
2014/15 101 117 – – – – – – – – 218
2015/16 108 122 – – – – – – – – 230
2016/17 98 125 – – – – – – – – 223
2017/18 99 124 – – – – – – – – 223
2018/19 105 123 – – – – – – – – 228
2019/20 104 116 – – – – – – – – 220
2020/21 105 105 – – – – 52 44 54 51 210
2021/22 106 118 – – – – 66 54 47 57 224
2022/23 103 108 – – – – 41 66 56 48 211
2023/24 103 109 – – – – 51 37 65 52 212
2024/25 95 97 – – – – 26 49 36 59 192
2025/26 96 108 – – – – 64 33 63 44 204