Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.
Average class size
23.30
2025/26
Mainstream classes
10
2025/26
Largest class group
33
2025/26
Classes with 30+ pupils
1
2025/26
Class group metrics trend
Class group metrics by year
Year
Mainstream class pupils
Mainstream classes
Average class size
Largest class
Classes 30+
2006/07
210
8
26.25
32
3
2007/08
214
8
26.75
32
3
2008/09
208
8
26.00
31
2
2009/10
219
8
27.38
35
3
2010/11
211
8
26.38
34
1
2011/12
213
8
26.62
33
1
2012/13
204
9
22.67
30
1
2013/14
218
8
27.25
34
2
2014/15
225
8
28.12
32
4
2015/16
229
8
28.62
32
5
2016/17
228
8
28.50
32
4
2017/18
212
9
23.56
31
2
2019/20
221
8
27.62
33
2
2020/21
210
8
26.25
32
2
2021/22
216
8
27.00
32
3
2022/23
241
9
26.78
33
3
2023/24
233
9
25.89
32
2
2024/25
234
10
23.40
32
2
2025/26
233
10
23.30
33
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 223 in 2021/22 → 250, +27 pupils.
Biggest loss in a single year: 2017/18: 235 in 2016/17 → 217, -18 pupils.
Largest single-class increase: Senior Infants in 2022/23 (19 → 33, +14).
Largest single-class decrease: Senior Infants in 2024/25 (40 → 18, -22).
Largest cohort-step gain: 3rd → 4th in 2022/23 (21 → 29, +8).
Largest cohort-step loss: JI → SI in 2024/25 (21 → 18, -3).
Overall: 263 (1993/94) → 241 (2025/26), -22.
Summary statistics (class-level data)
Min / max / mean enrolment per class across the available final by-standard years.
Class
Min
Max
Mean
Years
Junior Infants
19
37
27.5
6
Senior Infants
18
40
27.3
6
1st Class
22
39
28.3
6
2nd Class
22
42
29.3
6
3rd Class
21
36
28.3
6
4th Class
27
33
29.5
6
5th Class
26
34
29.3
6
6th Class
27
32
29.5
6
Total
206
263
226.6
33
Total enrolment over time
Total and gender trends use historical records where available. Class-level data starts in 2020/21.
Enrolment by gender over time
Enrolment by class over time
Cohort progression
Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).