By area · Release notes. Enrolment by planning area, local authority, school patron, county.
ST AIDANS NS
Roll number: 19834H
Brookfield, Tallaght, Dublin 24
School details
- Address
- Brookfield, Tallaght, Dublin 24 (D24XN24)
- Principal
- Tomas Hayes
- 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 with Special Classes
- School level
- Senior
- Planning area
- Tallaght
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: 236 in 2021/22 → 254, +18 pupils.
- Biggest loss in a single year: 2021/22: 269 in 2020/21 → 236, -33 pupils.
- Largest single-class increase: 4th Class in 2023/24 (52 → 68, +16).
- Largest single-class decrease: 5th Class in 2025/26 (preliminary) (66 → 0, -66).
- Largest cohort-step gain: 3rd → 4th in 2023/24 (61 → 68, +7).
- Largest cohort-step loss: 4th → 5th in 2024/25 (68 → 66, -2).
- Overall: 269 (2020/21) → 244 (2025/26 (preliminary)), -25.
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 |
46 |
61 |
56.6 |
5 |
| 4th Class |
52 |
68 |
59.4 |
5 |
| 5th Class |
52 |
66 |
59.6 |
5 |
| 6th Class |
58 |
82 |
65.8 |
5 |
| Total |
236 |
269 |
248.8 |
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 |
136 |
133 |
– |
– |
– |
– |
59 |
59 |
57 |
82 |
269 |
| 2021/22 |
115 |
121 |
– |
– |
– |
– |
46 |
60 |
60 |
59 |
236 |
| 2022/23 |
121 |
133 |
– |
– |
– |
– |
61 |
52 |
63 |
65 |
254 |
| 2023/24 |
113 |
133 |
– |
– |
– |
– |
57 |
68 |
52 |
65 |
246 |
| 2024/25 |
118 |
126 |
– |
– |
– |
– |
60 |
58 |
66 |
58 |
244 |
| 2025/26 (preliminary) |
122 |
122 |
– |
– |
– |
– |
– |
– |
– |
– |
244 |