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
32
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
103
4
25.75
29
0
2007/08
119
4
29.75
34
2
2008/09
118
5
23.60
29
0
2009/10
130
5
26.00
30
1
2010/11
141
5
28.20
32
2
2011/12
147
6
24.50
29
0
2012/13
152
6
25.33
33
2
2013/14
160
6
26.67
32
2
2014/15
170
7
24.29
34
1
2015/16
175
7
25.00
33
2
2016/17
181
7
25.86
36
2
2017/18
182
7
26.00
34
2
2019/20
178
7
25.43
32
2
2020/21
188
7
26.86
32
3
2021/22
203
8
25.38
35
2
2022/23
200
8
25.00
34
2
2023/24
199
8
24.88
34
1
2024/25
205
8
25.62
34
2
2025/26
196
8
24.50
32
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 103 in 2006/07 → 119, +16 pupils.
Biggest loss in a single year: 1993/94: 83 in 1983/84 → 52, -31 pupils.
Largest single-class increase: 6th Class in 2024/25 (15 → 27, +12).
Largest single-class decrease: Junior Infants in 2022/23 (37 → 20, -17).
Largest cohort-step gain: 2nd → 3rd in 2021/22 (25 → 28, +3).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (36 → 34, -2).
Overall: 48 (1975/76) → 208 (2025/26), 160.
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
18
37
25.2
6
Senior Infants
20
36
27.3
6
1st Class
19
36
27.8
6
2nd Class
20
36
27.8
6
3rd Class
19
34
27.7
6
4th Class
17
32
25.8
6
5th Class
16
32
23.3
6
6th Class
15
27
21.7
6
Total
48
217
118.3
42
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).