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
22.22
2025/26
Mainstream classes
9
2025/26
Largest class group
29
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
143
6
23.83
25
0
2007/08
151
6
25.17
27
0
2008/09
160
6
26.67
29
0
2009/10
169
6
28.17
30
2
2010/11
166
6
27.67
33
1
2011/12
173
6
28.83
31
2
2012/13
175
7
25.00
28
0
2013/14
195
8
24.38
32
2
2014/15
193
7
27.57
31
2
2015/16
210
7
30.00
33
5
2016/17
205
8
25.62
33
1
2017/18
213
8
26.62
32
2
2019/20
221
8
27.62
31
4
2020/21
223
8
27.88
32
3
2021/22
237
9
26.33
32
6
2022/23
236
9
26.22
32
3
2023/24
237
9
26.33
31
3
2024/25
217
9
24.11
30
1
2025/26
200
9
22.22
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 175 in 2012/13 → 195, +20 pupils.
Biggest loss in a single year: 2024/25: 237 in 2023/24 → 217, -20 pupils.
Largest single-class increase: 1st Class in 2021/22 (22 → 31, +9).
Largest single-class decrease: Junior Infants in 2024/25 (28 → 17, -11).
Largest cohort-step gain: SI → 1st in 2021/22 (26 → 31, +5).
Largest cohort-step loss: SI → 1st in 2022/23 (32 → 29, -3).
Overall: 143 (1974/75) → 206 (2025/26), 63.
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
17
34
26.5
6
Senior Infants
17
37
28.0
6
1st Class
22
35
29.0
6
2nd Class
21
37
28.8
6
3rd Class
22
30
27.0
6
4th Class
24
32
29.0
6
5th Class
24
32
28.8
6
6th Class
23
32
28.8
6
Total
120
237
163.8
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).