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
23.56
2025/26
Mainstream classes
9
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
199
7
28.43
32
4
2007/08
204
7
29.14
33
4
2008/09
211
7
30.14
33
5
2009/10
220
8
27.50
35
2
2010/11
215
8
26.88
35
2
2011/12
222
8
27.75
37
2
2012/13
216
8
27.00
33
2
2013/14
225
8
28.12
33
3
2014/15
234
8
29.25
33
4
2015/16
251
9
27.89
33
5
2016/17
249
9
27.67
33
4
2017/18
245
9
27.22
32
3
2019/20
249
9
27.67
32
3
2020/21
254
10
25.40
33
3
2021/22
255
10
25.50
34
4
2022/23
260
10
26.00
32
4
2023/24
239
10
23.90
33
3
2024/25
223
10
22.30
32
2
2025/26
212
9
23.56
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 234 in 2014/15 → 251, +17 pupils.
Biggest loss in a single year: 2023/24: 260 in 2022/23 → 239, -21 pupils.
Largest single-class increase: 6th Class in 2022/23 (34 → 46, +12).
Largest single-class decrease: 1st Class in 2023/24 (39 → 24, -15).
Largest cohort-step gain: SI → 1st in 2022/23 (35 → 39, +4).
Largest cohort-step loss: 1st → 2nd in 2023/24 (39 → 38, -1).
Overall: 258 (1996/97) → 212 (2025/26), -46.
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
16
33
23.3
6
Senior Infants
18
35
25.3
6
1st Class
21
39
28.0
6
2nd Class
24
38
29.7
6
3rd Class
23
37
30.3
6
4th Class
30
43
34.3
6
5th Class
32
44
34.5
6
6th Class
28
46
35.0
6
Total
199
260
230.3
30
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).