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
25.33
2025/26
Mainstream classes
9
2025/26
Largest class group
33
2025/26
Classes with 30+ pupils
3
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
201
8
25.12
32
1
2007/08
222
8
27.75
35
1
2008/09
208
8
26.00
32
1
2009/10
223
8
27.88
34
2
2010/11
218
8
27.25
33
2
2011/12
216
8
27.00
33
1
2012/13
232
8
29.00
36
3
2013/14
235
9
26.11
33
2
2014/15
226
8
28.25
33
2
2015/16
237
9
26.33
34
3
2016/17
239
9
26.56
33
2
2017/18
241
9
26.78
33
2
2019/20
223
9
24.78
34
1
2020/21
204
8
25.50
37
1
2021/22
204
8
25.50
38
1
2022/23
210
8
26.25
38
1
2023/24
211
8
26.38
32
1
2024/25
216
8
27.00
33
2
2025/26
228
9
25.33
33
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2006/07: 180 in 2005/06 → 201, +21 pupils.
Biggest loss in a single year: 2020/21: 223 in 2019/20 → 204, -19 pupils.
Largest single-class increase: 6th Class in 2022/23 (24 → 38, +14).
Largest single-class decrease: 5th Class in 2022/23 (38 → 21, -17).
Largest cohort-step gain: 3rd → 4th in 2025/26 (26 → 30, +4).
Largest cohort-step loss: SI → 1st in 2021/22 (23 → 21, -2).
Overall: 196 (2003/04) → 228 (2025/26), 32.
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
28.0
6
Senior Infants
23
33
28.3
6
1st Class
21
33
26.7
6
2nd Class
22
30
25.5
6
3rd Class
22
28
24.2
6
4th Class
21
37
26.5
6
5th Class
21
38
26.7
6
6th Class
22
38
26.3
6
Total
180
241
216.8
23
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).