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
24.60
2025/26
Mainstream classes
10
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
209
7
29.86
32
5
2007/08
221
8
27.62
30
2
2008/09
236
8
29.50
32
6
2009/10
251
9
27.89
31
5
2010/11
256
9
28.44
32
5
2011/12
251
9
27.89
32
5
2012/13
245
9
27.22
34
5
2013/14
218
9
24.22
33
3
2014/15
188
8
23.50
34
2
2015/16
201
7
28.71
33
3
2016/17
203
7
29.00
35
3
2017/18
207
8
25.88
35
2
2019/20
229
8
28.62
34
4
2020/21
215
9
23.89
34
1
2021/22
221
10
22.10
32
3
2022/23
228
9
25.33
32
1
2023/24
236
9
26.22
32
2
2024/25
232
9
25.78
33
3
2025/26
246
10
24.60
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 203 in 2018/19 → 229, +26 pupils.
Biggest loss in a single year: 1993/94: 286 in 1983/84 → 204, -82 pupils.
Largest single-class increase: 4th Class in 2021/22 (34 → 52, +18).
Largest single-class decrease: 4th Class in 2022/23 (52 → 39, -13).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (45 → 49, +4).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (50 → 47, -3).
Overall: 332 (1974/75) → 246 (2025/26), -86.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
39
50
45.8
6
3rd Class
40
52
47.2
6
4th Class
34
52
44.2
6
5th Class
37
53
46.0
6
6th Class
39
56
46.5
6
Total
167
363
238.0
43
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).