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
25.22
2025/26
Mainstream classes
9
2025/26
Largest class group
33
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
181
7
25.86
29
0
2007/08
187
7
26.71
30
1
2008/09
200
7
28.57
36
2
2009/10
189
7
27.00
36
2
2010/11
199
7
28.43
36
3
2011/12
199
7
28.43
36
3
2012/13
192
7
27.43
33
2
2013/14
192
7
27.43
36
2
2014/15
217
8
27.12
34
3
2015/16
220
8
27.50
34
3
2016/17
217
8
27.12
30
2
2017/18
209
8
26.12
29
0
2019/20
225
8
28.12
33
3
2020/21
224
8
28.00
33
3
2021/22
221
8
27.62
32
2
2022/23
229
8
28.62
34
3
2023/24
223
9
24.78
34
2
2024/25
227
9
25.22
34
2
2025/26
227
9
25.22
33
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2014/15: 192 in 2013/14 → 217, +25 pupils.
Biggest loss in a single year: 1994/95: 167 in 1993/94 → 151, -16 pupils.
Largest single-class increase: 4th Class in 2023/24 (21 → 33, +12).
Largest single-class decrease: 1st Class in 2025/26 (34 → 24, -10).
Largest cohort-step gain: 1st → 2nd in 2022/23 (32 → 34, +2).
Largest cohort-step loss: 1st → 2nd in 2023/24 (27 → 25, -2).
Overall: 144 (1974/75) → 227 (2025/26), 83.
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
24
34
26.8
6
Senior Infants
25
33
28.3
6
1st Class
24
34
29.5
6
2nd Class
22
34
29.0
6
3rd Class
22
34
28.0
6
4th Class
21
33
27.7
6
5th Class
21
34
28.8
6
6th Class
22
31
27.0
6
Total
135
229
178.2
43
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).