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
24.25
2025/26
Mainstream classes
8
2025/26
Largest class group
33
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
220
8
27.50
31
2
2007/08
220
8
27.50
32
2
2008/09
220
8
27.50
29
0
2009/10
223
8
27.88
29
0
2010/11
225
8
28.12
29
0
2011/12
219
8
27.38
29
0
2012/13
220
8
27.50
29
0
2013/14
228
8
28.50
33
1
2014/15
227
8
28.38
34
1
2015/16
218
8
27.25
33
2
2016/17
211
8
26.38
32
1
2017/18
213
8
26.62
34
1
2019/20
212
8
26.50
30
2
2020/21
210
8
26.25
31
2
2021/22
203
8
25.38
31
1
2022/23
196
8
24.50
31
1
2023/24
198
8
24.75
30
2
2024/25
202
8
25.25
33
2
2025/26
194
8
24.25
33
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 197 in 1998/99 → 218, +21 pupils.
Biggest loss in a single year: 1993/94: 256 in 1982/83 → 210, -46 pupils.
Largest single-class increase: Senior Infants in 2023/24 (20 → 30, +10).
Largest single-class decrease: 6th Class in 2022/23 (25 → 14, -11).
Largest cohort-step gain: 3rd → 4th in 2024/25 (30 → 33, +3).
Largest cohort-step loss: 4th → 5th in 2022/23 (24 → 18, -6).
Overall: 252 (1975/76) → 194 (2025/26), -58.
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
15
30
21.7
6
Senior Infants
15
31
24.2
6
1st Class
22
31
27.3
6
2nd Class
24
31
28.2
6
3rd Class
22
30
26.7
6
4th Class
22
33
26.8
6
5th Class
18
33
24.2
6
6th Class
14
25
21.5
6
Total
192
266
219.7
41
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).