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
24.50
2025/26
Mainstream classes
8
2025/26
Largest class group
28
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
116
5
23.20
26
0
2007/08
120
5
24.00
28
0
2008/09
138
5
27.60
34
2
2009/10
146
5
29.20
41
1
2010/11
167
6
27.83
36
3
2011/12
170
7
24.29
30
1
2012/13
174
7
24.86
30
2
2013/14
180
7
25.71
30
1
2014/15
200
7
28.57
35
4
2015/16
203
7
29.00
34
3
2016/17
207
8
25.88
32
1
2017/18
208
8
26.00
28
0
2019/20
204
8
25.50
27
0
2020/21
201
8
25.12
28
0
2021/22
202
8
25.25
28
0
2022/23
205
8
25.62
28
0
2023/24
208
8
26.00
28
0
2024/25
205
8
25.62
28
0
2025/26
196
8
24.50
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2010/11: 146 in 2009/10 → 167, +21 pupils.
Biggest loss in a single year: 2025/26: 205 in 2024/25 → 196, -9 pupils.
Largest single-class increase: 1st Class in 2025/26 (23 → 28, +5).
Largest single-class decrease: Senior Infants in 2021/22 (25 → 20, -5).
Largest cohort-step gain: SI → 1st in 2022/23 (20 → 22, +2).
Largest cohort-step loss: 3rd → 4th in 2025/26 (26 → 25, -1).
Overall: 73 (1974/75) → 196 (2025/26), 123.
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
27
22.7
6
Senior Infants
20
28
24.2
6
1st Class
22
28
24.5
6
2nd Class
23
28
25.2
6
3rd Class
24
28
26.3
6
4th Class
25
28
26.7
6
5th Class
26
28
27.0
6
6th Class
24
28
26.3
6
Total
65
208
135.0
41
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).