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
22.62
2025/26
Mainstream classes
8
2025/26
Largest class group
27
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
132
5
26.40
32
2
2007/08
144
5
28.80
34
3
2008/09
151
6
25.17
33
2
2009/10
157
6
26.17
33
2
2010/11
178
7
25.43
35
2
2011/12
187
7
26.71
36
2
2012/13
201
7
28.71
37
4
2013/14
216
7
30.86
36
4
2014/15
219
8
27.38
36
3
2015/16
227
8
28.38
36
3
2016/17
234
8
29.25
36
4
2017/18
239
9
26.56
35
4
2019/20
215
8
26.88
32
3
2020/21
227
8
28.38
33
2
2021/22
220
8
27.50
31
3
2022/23
215
8
26.88
31
1
2023/24
203
8
25.38
29
0
2024/25
191
8
23.88
29
0
2025/26
181
8
22.62
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2010/11: 157 in 2009/10 → 178, +21 pupils.
Biggest loss in a single year: 1993/94: 134 in 1982/83 → 108, -26 pupils.
Largest single-class increase: Senior Infants in 2021/22 (21 → 26, +5).
Largest single-class decrease: 1st Class in 2021/22 (29 → 21, -8).
Largest cohort-step gain: JI → SI in 2022/23 (26 → 28, +2).
Largest cohort-step loss: JI → SI in 2021/22 (28 → 26, -2).
Overall: 128 (1981/82) → 193 (2025/26), 65.
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
19
28
24.0
6
Senior Infants
19
28
24.2
6
1st Class
21
29
25.8
6
2nd Class
22
30
26.5
6
3rd Class
22
29
26.7
6
4th Class
22
29
27.0
6
5th Class
22
33
28.3
6
6th Class
26
33
29.8
6
Total
90
239
159.3
35
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).