By area · Release notes. Enrolment by planning area, local authority, school patron, county.
SCOIL MHUIRE SIN
Roll number: 19694R
Blakestown, Mulhuddart, Dublin 15
School details
- Address
- Blakestown, Mulhuddart, Dublin 15 (D15YK58)
- Principal
- Pauline Morley
- Ethos
- Catholic
- DEIS
- Y
- Irish classification
- No subjects through Irish
- Gaeltacht
- N
- Island
- N
- Local authority
- Fingal County Council
- School patron
- Archbishop of Dublin
- School type
- Ordinary with Special Classes
- School level
- Senior
- Planning area
- BlanchardstownVge_D15
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: 260 in 2021/22 → 274, +14 pupils.
- Biggest loss in a single year: 2025/26 (preliminary): 233 in 2024/25 → 207, -26 pupils.
- Largest single-class increase: 6th Class in 2022/23 (57 → 71, +14).
- Largest single-class decrease: 6th Class in 2025/26 (preliminary) (72 → 0, -72).
- Largest cohort-step gain: 4th → 5th in 2022/23 (63 → 69, +6).
- Largest cohort-step loss: 3rd → 4th in 2021/22 (67 → 63, -4).
- Overall: 262 (2020/21) → 207 (2025/26 (preliminary)), -55.
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 |
67 |
57.8 |
5 |
| 4th Class |
53 |
72 |
62.4 |
5 |
| 5th Class |
57 |
70 |
64.8 |
5 |
| 6th Class |
57 |
72 |
66.2 |
5 |
| Total |
207 |
274 |
248.2 |
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 |
129 |
133 |
– |
– |
– |
– |
67 |
68 |
57 |
64 |
262 |
| 2021/22 |
133 |
127 |
– |
– |
– |
– |
67 |
63 |
68 |
57 |
260 |
| 2022/23 |
135 |
139 |
– |
– |
– |
– |
57 |
72 |
69 |
71 |
274 |
| 2023/24 |
121 |
132 |
– |
– |
– |
– |
55 |
56 |
70 |
67 |
253 |
| 2024/25 |
107 |
126 |
– |
– |
– |
– |
43 |
53 |
60 |
72 |
233 |
| 2025/26 (preliminary) |
97 |
110 |
– |
– |
– |
– |
– |
– |
– |
– |
207 |