By area · Release notes. Enrolment by planning area, local authority, school patron, county.
SCOIL COLMCILLE SENIOR
Roll number: 19438W
Coolevin, Ballybrack, Co. Dublin
School details
- Address
- Coolevin, Ballybrack, Co. Dublin (A96TN32)
- Principal
- Aidan Boyle
- Ethos
- Catholic
- DEIS
- Y
- Irish classification
- No subjects through Irish
- Gaeltacht
- N
- Island
- N
- Local authority
- Dun Laoghaire Rathdown
- School patron
- Archbishop of Dublin
- School type
- Ordinary with Special Classes
- School level
- Senior
- Planning area
- Sallynoggin_Killiney_DLR
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: 2023/24: 158 in 2022/23 → 164, +6 pupils.
- Biggest loss in a single year: 2024/25: 164 in 2023/24 → 153, -11 pupils.
- Largest single-class increase: 4th Class in 2024/25 (34 → 47, +13).
- Largest single-class decrease: 4th Class in 2025/26 (preliminary) (47 → 0, -47).
- Largest cohort-step gain: 3rd → 4th in 2024/25 (43 → 47, +4).
- Largest cohort-step loss: 4th → 5th in 2024/25 (34 → 30, -4).
- Overall: 156 (2020/21) → 147 (2025/26 (preliminary)), -9.
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 |
29 |
47 |
38.4 |
5 |
| 4th Class |
34 |
47 |
40.2 |
5 |
| 5th Class |
30 |
45 |
36.8 |
5 |
| 6th Class |
32 |
45 |
38.8 |
5 |
| Total |
147 |
164 |
155.5 |
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 |
63 |
93 |
– |
– |
– |
– |
47 |
36 |
34 |
39 |
156 |
| 2021/22 |
62 |
93 |
– |
– |
– |
– |
38 |
46 |
37 |
32 |
155 |
| 2022/23 |
67 |
91 |
– |
– |
– |
– |
35 |
38 |
45 |
37 |
158 |
| 2023/24 |
74 |
90 |
– |
– |
– |
– |
43 |
34 |
38 |
45 |
164 |
| 2024/25 |
73 |
80 |
– |
– |
– |
– |
29 |
47 |
30 |
41 |
153 |
| 2025/26 (preliminary) |
72 |
75 |
– |
– |
– |
– |
– |
– |
– |
– |
147 |