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
24.38
2025/26
Mainstream classes
8
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
115
5
23.00
33
1
2007/08
150
6
25.00
34
1
2008/09
166
7
23.71
32
1
2009/10
172
7
24.57
33
2
2010/11
173
7
24.71
29
0
2011/12
193
7
27.57
32
2
2012/13
165
7
23.57
27
0
2013/14
153
6
25.50
31
1
2014/15
145
6
24.17
27
0
2015/16
145
6
24.17
34
1
2016/17
137
6
22.83
29
0
2017/18
144
5
28.80
33
1
2019/20
168
6
28.00
35
2
2020/21
172
6
28.67
35
4
2021/22
174
7
24.86
32
1
2022/23
186
7
26.57
29
0
2023/24
178
7
25.43
28
0
2024/25
196
7
28.00
33
3
2025/26
195
8
24.38
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 129 in 2006/07 → 164, +35 pupils.
Biggest loss in a single year: 1993/94: 217 in 1982/83 → 156, -61 pupils.
Largest single-class increase: 6th Class in 2024/25 (28 → 46, +18).
Largest single-class decrease: 6th Class in 2023/24 (44 → 28, -16).
Largest cohort-step gain: 4th → 5th in 2024/25 (31 → 35, +4).
Largest cohort-step loss: 3rd → 4th in 2022/23 (43 → 41, -2).
Overall: 202 (1975/76) → 195 (2025/26), -7.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
32
43
37.5
6
3rd Class
28
43
36.2
6
4th Class
28
46
37.0
6
5th Class
29
47
37.8
6
6th Class
28
46
35.0
6
Total
129
232
170.4
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).