By area · Release notes. Enrolment by planning area, local authority, school patron, county.
SCOIL MHUIRE OGH 1
Roll number: 16964F
Crumlin Road, Dublin 12
School details
- Address
- Crumlin Road, Dublin 12 (D12EH28)
- 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
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: 2022/23: 216 in 2021/22 → 220, +4 pupils.
- Biggest loss in a single year: 2021/22: 242 in 2020/21 → 216, -26 pupils.
- Largest single-class increase: 6th Class in 2022/23 (49 → 63, +14).
- Largest single-class decrease: 4th Class in 2025/26 (preliminary) (62 → 0, -62).
- Largest cohort-step gain: 5th → 6th in 2024/25 (46 → 51, +5).
- Largest cohort-step loss: 3rd → 4th in 2021/22 (59 → 54, -5).
- Overall: 242 (2020/21) → 212 (2025/26 (preliminary)), -30.
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 |
43 |
59 |
53.0 |
5 |
| 4th Class |
49 |
69 |
57.6 |
5 |
| 5th Class |
46 |
64 |
54.6 |
5 |
| 6th Class |
49 |
63 |
55.2 |
5 |
| Total |
211 |
242 |
219.2 |
6 |
Total enrolment over time
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 |
| 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 (preliminary) |
116 |
96 |
– |
– |
– |
– |
– |
– |
– |
– |
212 |