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
25.89
2025/26
Mainstream classes
9
2025/26
Largest class group
31
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
215
8
26.88
32
1
2007/08
207
8
25.88
32
1
2008/09
207
8
25.88
32
1
2009/10
195
8
24.38
29
0
2010/11
201
7
28.71
33
3
2011/12
200
7
28.57
34
3
2012/13
206
7
29.43
34
4
2013/14
210
8
26.25
34
2
2014/15
211
8
26.38
35
2
2015/16
215
8
26.88
35
2
2016/17
213
8
26.62
33
2
2017/18
223
8
27.88
34
2
2019/20
243
9
27.00
33
4
2020/21
233
9
25.89
32
4
2021/22
233
9
25.89
31
3
2022/23
234
9
26.00
31
3
2023/24
229
9
25.44
31
2
2024/25
230
9
25.56
31
3
2025/26
233
9
25.89
31
4
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 121 in 1983/84 → 175, +54 pupils.
Biggest loss in a single year: 2009/10: 207 in 2008/09 → 195, -12 pupils.
Largest single-class increase: 6th Class in 2025/26 (27 → 41, +14).
Largest single-class decrease: 3rd Class in 2023/24 (39 → 28, -11).
Largest cohort-step gain: 3rd → 4th in 2024/25 (28 → 31, +3).
Largest cohort-step loss: 1st → 2nd in 2023/24 (22 → 21, -1).
Overall: 61 (1975/76) → 233 (2025/26), 172.
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
21
31
26.7
6
Senior Infants
22
31
27.3
6
1st Class
22
37
29.2
6
2nd Class
21
38
29.2
6
3rd Class
22
39
28.5
6
4th Class
21
40
29.2
6
5th Class
26
40
30.7
6
6th Class
27
41
31.3
6
Total
54
243
184.6
42
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).