By area · Release notes. Enrolment by planning area, local authority, school patron, county.
SCOIL MHUIRE BNS
Roll number: 17686I
Castleblayney, Co. Monaghan
School details
- Address
- Castleblayney, Co. Monaghan (A75PC94)
- Principal
- Eamon Mc Eneaney
- Ethos
- Catholic
- DEIS
- Y
- Irish classification
- No subjects through Irish
- Gaeltacht
- N
- Island
- N
- Local authority
- Monaghan County Council
- School patron
- Bishop of Clogher
- School type
- Ordinary with Special Classes
- School level
- Senior
- Planning area
- Castleblaney
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: 2021/22: 147 in 2020/21 → 162, +15 pupils.
- Biggest loss in a single year: 2025/26 (preliminary): 188 in 2024/25 → 183, -5 pupils.
- Largest single-class increase: 3rd Class in 2024/25 (30 → 45, +15).
- Largest single-class decrease: 3rd Class in 2025/26 (preliminary) (45 → 0, -45).
- Largest cohort-step gain: 4th → 5th in 2024/25 (39 → 45, +6).
- Largest cohort-step loss: 2nd → 3rd in 2023/24 (31 → 30, -1).
- Overall: 147 (2020/21) → 183 (2025/26 (preliminary)), 36.
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 |
| 2nd Class |
25 |
39 |
31.2 |
5 |
| 3rd Class |
29 |
45 |
34.8 |
5 |
| 4th Class |
28 |
39 |
32.0 |
5 |
| 5th Class |
26 |
45 |
32.4 |
5 |
| 6th Class |
28 |
34 |
30.6 |
5 |
| Total |
147 |
188 |
172.8 |
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 |
– |
147 |
– |
– |
– |
25 |
32 |
28 |
26 |
31 |
147 |
| 2021/22 |
– |
162 |
– |
– |
– |
36 |
29 |
32 |
27 |
28 |
162 |
| 2022/23 |
– |
174 |
– |
– |
– |
31 |
38 |
30 |
34 |
29 |
174 |
| 2023/24 |
– |
183 |
– |
– |
– |
39 |
30 |
39 |
30 |
34 |
183 |
| 2024/25 |
– |
188 |
– |
– |
– |
25 |
45 |
31 |
45 |
31 |
188 |
| 2025/26 (preliminary) |
– |
183 |
– |
– |
– |
– |
– |
– |
– |
– |
183 |