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
23.70
2025/26
Mainstream classes
10
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
4
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
196
7
28.00
34
2
2007/08
192
7
27.43
33
2
2008/09
197
7
28.14
34
2
2009/10
197
7
28.14
37
2
2010/11
192
7
27.43
32
2
2011/12
206
7
29.43
33
4
2012/13
216
8
27.00
33
3
2013/14
218
8
27.25
33
3
2014/15
218
8
27.25
33
3
2015/16
233
8
29.12
34
2
2016/17
231
9
25.67
33
2
2017/18
232
9
25.78
33
3
2019/20
250
9
27.78
35
4
2020/21
244
10
24.40
33
4
2021/22
238
9
26.44
33
5
2022/23
237
9
26.33
33
6
2023/24
238
9
26.44
33
5
2024/25
240
10
24.00
32
3
2025/26
237
10
23.70
32
4
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 246 in 1983/84 → 273, +27 pupils.
Biggest loss in a single year: 1997/98: 258 in 1996/97 → 216, -42 pupils.
Largest single-class increase: Senior Infants in 2023/24 (23 → 28, +5).
Largest single-class decrease: Senior Infants in 2022/23 (31 → 23, -8).
Largest cohort-step gain: 1st → 2nd in 2024/25 (24 → 26, +2).
Largest cohort-step loss: JI → SI in 2022/23 (24 → 23, -1).
Overall: 156 (1974/75) → 237 (2025/26), 81.
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
24
33
28.5
6
Senior Infants
23
32
28.7
6
1st Class
24
31
28.8
6
2nd Class
26
31
29.3
6
3rd Class
26
33
30.5
6
4th Class
30
33
31.5
6
5th Class
29
33
31.0
6
6th Class
29
33
30.7
6
Total
152
273
213.8
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).