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
25.00
2025/26
Mainstream classes
7
2025/26
Largest class group
34
2025/26
Classes with 30+ pupils
3
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
168
6
28.00
31
1
2007/08
188
7
26.86
35
3
2008/09
182
7
26.00
35
2
2009/10
185
7
26.43
34
3
2010/11
193
7
27.57
32
4
2011/12
188
7
26.86
33
4
2012/13
192
7
27.43
35
3
2013/14
195
7
27.86
34
4
2014/15
186
7
26.57
36
3
2015/16
186
7
26.57
33
4
2016/17
193
7
27.57
33
4
2017/18
190
7
27.14
34
4
2019/20
193
7
27.57
34
3
2020/21
185
9
20.56
34
1
2021/22
187
7
26.71
32
3
2022/23
202
7
28.86
33
4
2023/24
188
8
23.50
29
0
2024/25
185
8
23.12
30
1
2025/26
175
7
25.00
34
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 168 in 2006/07 → 188, +20 pupils.
Biggest loss in a single year: 1993/94: 223 in 1983/84 → 142, -81 pupils.
Largest single-class increase: 5th Class in 2021/22 (17 → 33, +16).
Largest single-class decrease: 1st Class in 2025/26 (30 → 18, -12).
Largest cohort-step gain: 3rd → 4th in 2024/25 (25 → 27, +2).
Largest cohort-step loss: 3rd → 4th in 2023/24 (27 → 25, -2).
Overall: 172 (1974/75) → 175 (2025/26), 3.
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
14
28
20.2
6
Senior Infants
16
29
22.2
6
1st Class
16
30
23.3
6
2nd Class
16
30
24.2
6
3rd Class
15
27
22.8
6
4th Class
16
34
24.7
6
5th Class
17
33
25.0
6
6th Class
17
33
24.7
6
Total
142
223
180.9
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).