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
24.62
2025/26
Mainstream classes
8
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
106
4
26.50
32
1
2007/08
123
4
30.75
36
3
2008/09
119
5
23.80
32
2
2009/10
127
5
25.40
30
1
2010/11
135
5
27.00
33
2
2011/12
146
5
29.20
33
3
2012/13
150
6
25.00
31
1
2013/14
178
7
25.43
29
0
2014/15
176
7
25.14
35
1
2015/16
193
8
24.12
28
0
2016/17
218
9
24.22
29
0
2017/18
243
9
27.00
31
2
2019/20
237
9
26.33
30
1
2020/21
230
9
25.56
28
0
2021/22
227
9
25.22
30
1
2022/23
230
9
25.56
29
0
2023/24
223
9
24.78
28
0
2024/25
202
9
22.44
29
0
2025/26
197
8
24.62
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 150 in 2012/13 → 178, +28 pupils.
Biggest loss in a single year: 1993/94: 132 in 1983/84 → 107, -25 pupils.
Largest single-class increase: 4th Class in 2021/22 (28 → 41, +13).
Largest single-class decrease: 3rd Class in 2021/22 (45 → 25, -20).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (26 → 33, +7).
Largest cohort-step loss: 3rd → 4th in 2021/22 (45 → 41, -4).
Overall: 129 (1975/76) → 208 (2025/26), 79.
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
28
23.7
6
Senior Infants
21
28
25.0
6
1st Class
23
28
26.0
6
2nd Class
25
30
26.8
6
3rd Class
25
45
30.7
6
4th Class
25
41
28.8
6
5th Class
25
41
29.3
6
6th Class
24
42
29.7
6
Total
77
248
144.8
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).