Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.

ST MARYS SCHOOL

Roll number: 18411U Greenhills Road, Tallaght, Dublin 24

School details

Address
Greenhills Road, Tallaght, Dublin 24 (D24K248)
Email
[email protected]
Phone
014515387
Principal
Shane Cadigan
Ethos
Catholic
DEIS
N
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
South Dublin County Council
School patron
Archbishop of Dublin
School type
Ordinary
School level
All-Through School
Planning area
Tallaght

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.

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 28 53 45.4 5
Senior Infants 28 55 45.2 5
1st Class 19 52 40.2 5
2nd Class 21 55 35.4 5
3rd Class 20 50 32.4 5
4th Class 20 52 37.0 5
5th Class 22 54 37.2 5
6th Class 24 51 41.6 5
Total 265 511 345.3 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 28
0
SI 2021/22 28
0
1st 2022/23 28
-3
2nd 2023/24 25
+3
3rd 2024/25 28
Cohort 2021/22
JI 2021/22 50
+1
SI 2022/23 51
+1
1st 2023/24 52
+3
2nd 2024/25 55
Cohort 2022/23
JI 2022/23 53
-1
SI 2023/24 52
0
1st 2024/25 52
Cohort 2023/24
JI 2023/24 45
-5
SI 2024/25 40
Cohort 2024/25
JI 2024/25 51

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 – 511 – – – – – – – – 511
1975/76 – – – – – – – – – – 370
1976/77 327 107 – – – – – – – – 434
1977/78 311 146 – – – – – – – – 457
1978/79 – – – – – – – – – – 458
1979/80 279 185 – – – – – – – – 464
1980/81 273 208 – – – – – – – – 481
1981/82 248 222 – – – – – – – – 470
1982/83 233 241 – – – – – – – – 474
1983/84 241 247 – – – – – – – – 488
1993/94 122 157 – – – – – – – – 279
1994/95 128 150 – – – – – – – – 278
1995/96 128 157 – – – – – – – – 285
1996/97 125 144 – – – – – – – – 269
1997/98 124 146 – – – – – – – – 270
1998/99 121 145 – – – – – – – – 266
1999/00 121 145 – – – – – – – – 266
2000/01 120 145 – – – – – – – – 265
2001/02 119 156 – – – – – – – – 275
2002/03 121 155 – – – – – – – – 276
2003/04 121 146 – – – – – – – – 267
2004/05 123 148 – – – – – – – – 271
2005/06 122 154 – – – – – – – – 276
2006/07 121 146 – – – – – – – – 267
2007/08 131 162 – – – – – – – – 293
2008/09 145 175 – – – – – – – – 320
2009/10 136 176 – – – – – – – – 312
2010/11 143 189 – – – – – – – – 332
2011/12 152 185 – – – – – – – – 337
2012/13 181 183 – – – – – – – – 364
2013/14 188 175 – – – – – – – – 363
2014/15 194 193 – – – – – – – – 387
2015/16 194 190 – – – – – – – – 384
2016/17 192 183 – – – – – – – – 375
2017/18 192 172 – – – – – – – – 364
2018/19 170 167 – – – – – – – – 337
2019/20 164 177 – – – – – – – – 341
2020/21 146 169 28 55 19 28 37 52 50 46 315
2021/22 144 170 50 28 50 21 27 34 54 50 314
2022/23 142 171 53 51 28 48 20 28 34 51 313
2023/24 142 165 45 52 52 25 50 20 26 37 307
2024/25 151 172 51 40 52 55 28 51 22 24 323
2025/26 (preliminary) 163 186 – – – – – – – – 349