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
24.78
2025/26
Mainstream classes
9
2025/26
Largest class group
31
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
238
9
26.44
33
3
2007/08
233
9
25.89
32
2
2008/09
236
9
26.22
31
3
2009/10
232
9
25.78
32
2
2010/11
234
9
26.00
32
2
2011/12
213
9
23.67
31
2
2012/13
213
8
26.62
32
3
2013/14
216
8
27.00
32
2
2014/15
227
8
28.38
34
3
2015/16
233
8
29.12
35
4
2016/17
228
9
25.33
35
2
2017/18
215
8
26.88
33
3
2019/20
233
9
25.89
35
3
2020/21
220
9
24.44
31
2
2021/22
222
9
24.67
32
2
2022/23
229
9
25.44
33
2
2023/24
224
9
24.89
31
1
2024/25
219
9
24.33
32
2
2025/26
223
9
24.78
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 197 in 1983/84 → 239, +42 pupils.
Biggest loss in a single year: 2011/12: 234 in 2010/11 → 213, -21 pupils.
Largest single-class increase: 5th Class in 2024/25 (25 → 45, +20).
Largest single-class decrease: 5th Class in 2025/26 (45 → 27, -18).
Largest cohort-step gain: 5th → 6th in 2023/24 (25 → 29, +4).
Largest cohort-step loss: 1st → 2nd in 2023/24 (29 → 28, -1).
Overall: 166 (1974/75) → 223 (2025/26), 57.
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
17
30
23.2
6
Senior Infants
18
31
23.3
6
1st Class
21
39
27.5
6
2nd Class
22
38
27.8
6
3rd Class
22
41
29.0
6
4th Class
22
44
29.7
6
5th Class
25
45
30.3
6
6th Class
25
45
32.0
6
Total
160
239
212.9
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).