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
22.40
2025/26
Mainstream classes
10
2025/26
Largest class group
29
2025/26
Classes with 30+ pupils
0
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
55
3
18.33
33
1
2007/08
55
3
18.33
20
0
2008/09
87
4
21.75
32
1
2009/10
120
5
24.00
29
0
2010/11
151
6
25.17
28
0
2011/12
154
6
25.67
29
0
2012/13
189
8
23.62
33
2
2013/14
192
7
27.43
36
3
2014/15
187
7
26.71
33
1
2015/16
207
7
29.57
34
3
2016/17
197
8
24.62
30
1
2017/18
200
8
25.00
29
0
2019/20
208
8
26.00
28
0
2020/21
208
8
26.00
29
0
2021/22
196
8
24.50
31
1
2022/23
201
8
25.12
29
0
2023/24
203
8
25.38
29
0
2024/25
232
9
25.78
32
1
2025/26
224
10
22.40
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 154 in 2011/12 → 189, +35 pupils.
Biggest loss in a single year: 2021/22: 220 in 2020/21 → 208, -12 pupils.
Largest single-class increase: 2nd Class in 2024/25 (22 → 39, +17).
Largest single-class decrease: 2nd Class in 2025/26 (39 → 24, -15).
Largest cohort-step gain: 1st → 2nd in 2024/25 (27 → 39, +12).
Largest cohort-step loss: SI → 1st in 2025/26 (32 → 24, -8).
Overall: 17 (2004/05) → 236 (2025/26), 219.
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
20
33
25.2
6
Senior Infants
18
32
24.7
6
1st Class
23
28
25.3
6
2nd Class
22
39
28.5
6
3rd Class
24
43
29.2
6
4th Class
21
29
26.7
6
5th Class
24
30
26.7
6
6th Class
21
29
26.5
6
Total
17
244
165.4
22
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).