By area · Release notes. Enrolment by planning area, local authority, school patron, county.
S N an Croi Ro Naofa
Roll number: 19543T
Killinarden, Tallaght, Dublin 24
School details
- Address
- Killinarden, Tallaght, Dublin 24 (D24K528)
- Principal
- Gerry Diver
- 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
- School level
- Senior
- Planning area
- Firhouse_Oldbawn
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: 2025/26 (preliminary): 209 in 2024/25 → 213, +4 pupils.
- Biggest loss in a single year: 2021/22: 264 in 2020/21 → 233, -31 pupils.
- Largest single-class increase: 3rd Class in 2022/23 (49 → 64, +15).
- Largest single-class decrease: 5th Class in 2025/26 (preliminary) (61 → 0, -61).
- Largest cohort-step loss: 4th → 5th in 2022/23 (63 → 58, -5).
- Overall: 264 (2020/21) → 213 (2025/26 (preliminary)), -51.
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 |
49 |
65 |
56.4 |
5 |
| 4th Class |
47 |
63 |
57.4 |
5 |
| 5th Class |
46 |
61 |
57.2 |
5 |
| 6th Class |
44 |
76 |
59.4 |
5 |
| Total |
209 |
264 |
227.5 |
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 |
137 |
127 |
– |
– |
– |
– |
65 |
62 |
61 |
76 |
264 |
| 2021/22 |
123 |
110 |
– |
– |
– |
– |
49 |
63 |
60 |
61 |
233 |
| 2022/23 |
112 |
115 |
– |
– |
– |
– |
64 |
47 |
58 |
58 |
227 |
| 2023/24 |
111 |
108 |
– |
– |
– |
– |
54 |
61 |
46 |
58 |
219 |
| 2024/25 |
111 |
98 |
– |
– |
– |
– |
50 |
54 |
61 |
44 |
209 |
| 2025/26 (preliminary) |
109 |
104 |
– |
– |
– |
– |
– |
– |
– |
– |
213 |