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

S N SAN TREASA

Roll number: 18647D The Rise, Mount Merrion, Co. Dublin

School details

Address
The Rise, Mount Merrion, Co. Dublin (A94EK75)
Email
[email protected]
Phone
012881505
Principal
Frances Mullin
Ethos
Catholic
DEIS
N
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
Dun Laoghaire Rathdown
School patron
Archbishop of Dublin
School type
Ordinary
School level
All-Through School
Planning area
Booterstown_Blackrock

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 54 58 57.0 5
Senior Infants 52 57 55.6 5
1st Class 56 58 56.8 5
2nd Class 53 57 55.4 5
3rd Class 51 54 52.6 5
4th Class 48 54 51.0 5
5th Class 50 55 51.4 5
6th Class 43 52 47.8 5
Total 69 520 414.1 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 58
-1
SI 2021/22 57
0
1st 2022/23 57
-1
2nd 2023/24 56
-4
3rd 2024/25 52
Cohort 2021/22
JI 2021/22 57
-2
SI 2022/23 55
+1
1st 2023/24 56
0
2nd 2024/25 56
Cohort 2022/23
JI 2022/23 58
-1
SI 2023/24 57
-1
1st 2024/25 56
Cohort 2023/24
JI 2023/24 54
-2
SI 2024/25 52
Cohort 2024/25
JI 2024/25 58

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
1974/75 267 71 – – – – – – – – 338
1975/76 – – – – – – – – – – 311
1976/77 – – – – – – – – – – 294
1977/78 206 92 – – – – – – – – 298
1978/79 – – – – – – – – – – 69
1979/80 177 86 – – – – – – – – 263
1980/81 183 78 – – – – – – – – 261
1981/82 185 90 – – – – – – – – 275
1982/83 188 100 – – – – – – – – 288
1983/84 182 100 – – – – – – – – 282
1993/94 215 207 – – – – – – – – 422
1994/95 234 225 – – – – – – – – 459
1995/96 249 223 – – – – – – – – 472
1996/97 253 250 – – – – – – – – 503
1997/98 245 265 – – – – – – – – 510
1998/99 251 269 – – – – – – – – 520
1999/00 234 259 – – – – – – – – 493
2000/01 247 241 – – – – – – – – 488
2001/02 248 248 – – – – – – – – 496
2002/03 243 245 – – – – – – – – 488
2003/04 229 246 – – – – – – – – 475
2004/05 240 232 – – – – – – – – 472
2005/06 231 231 – – – – – – – – 462
2006/07 225 230 – – – – – – – – 455
2007/08 221 231 – – – – – – – – 452
2008/09 212 237 – – – – – – – – 449
2009/10 210 234 – – – – – – – – 444
2010/11 205 238 – – – – – – – – 443
2011/12 199 250 – – – – – – – – 449
2012/13 201 246 – – – – – – – – 447
2013/14 200 244 – – – – – – – – 444
2014/15 202 251 – – – – – – – – 453
2015/16 208 248 – – – – – – – – 456
2016/17 210 249 – – – – – – – – 459
2017/18 211 241 – – – – – – – – 452
2018/19 216 236 – – – – – – – – 452
2019/20 212 232 – – – – – – – – 444
2020/21 219 213 58 57 58 57 53 48 50 51 432
2021/22 224 204 57 57 57 55 53 54 50 45 428
2022/23 221 204 58 55 57 53 54 53 52 43 425
2023/24 214 214 54 57 56 56 51 51 55 48 428
2024/25 213 212 58 52 56 56 52 49 50 52 425
2025/26 (preliminary) 210 220 – – – – – – – – 430