Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.
ST MARYS SEN N S
Roll number: 19647I
ROWLAGH, CLONDALKIN, DUBLIN 22
School details
- Address
- ROWLAGH, CLONDALKIN, DUBLIN 22 (D22WN40)
- 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
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.
- Biggest gain in a single year: 1980/81: 207 in 1979/80 → 322, +115 pupils.
- Biggest loss in a single year: 2002/03: 326 in 2001/02 → 279, -47 pupils.
- Largest single-class increase: 3rd Class in 2021/22 (52 → 66, +14).
- Largest single-class decrease: 4th Class in 2023/24 (66 → 37, -29).
- Largest cohort-step gain: 4th → 5th in 2021/22 (44 → 47, +3).
- Largest cohort-step loss: 5th → 6th in 2024/25 (65 → 59, -6).
- Overall: 207 (1979/80) → 204 (2025/26 (preliminary)), -3.
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 |
| 3rd Class |
26 |
66 |
47.2 |
5 |
| 4th Class |
37 |
66 |
50.0 |
5 |
| 5th Class |
36 |
65 |
51.6 |
5 |
| 6th Class |
48 |
59 |
53.4 |
5 |
| 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
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 |
| 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 (preliminary) |
96 |
108 |
– |
– |
– |
– |
– |
– |
– |
– |
204 |