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
25.25
2025/26
Mainstream classes
8
2025/26
Largest class group
33
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
109
4
27.25
32
2
2007/08
129
5
25.80
32
1
2008/09
141
5
28.20
30
1
2009/10
144
5
28.80
34
3
2010/11
154
5
30.80
32
4
2011/12
161
6
26.83
32
2
2012/13
178
7
25.43
39
1
2013/14
187
7
26.71
32
3
2014/15
186
7
26.57
32
2
2015/16
188
7
26.86
31
2
2016/17
186
7
26.57
32
2
2017/18
194
7
27.71
40
2
2019/20
204
7
29.14
37
3
2020/21
191
8
23.88
30
1
2021/22
201
7
28.71
34
4
2022/23
198
8
24.75
31
2
2023/24
200
8
25.00
31
2
2024/25
213
8
26.62
31
2
2025/26
202
8
25.25
33
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2004/05: 59 in 2003/04 → 82, +23 pupils.
Biggest loss in a single year: 1993/94: 69 in 1983/84 → 52, -17 pupils.
Largest single-class increase: 3rd Class in 2025/26 (17 → 34, +17).
Largest single-class decrease: Senior Infants in 2021/22 (27 → 16, -11).
Largest cohort-step gain: 4th → 5th in 2025/26 (27 → 31, +4).
Largest cohort-step loss: JI → SI in 2022/23 (32 → 30, -2).
Overall: 74 (1975/76) → 208 (2025/26), 134.
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
16
32
23.7
6
Senior Infants
16
30
26.0
6
1st Class
17
30
25.7
6
2nd Class
17
31
25.7
6
3rd Class
17
34
25.0
6
4th Class
17
31
24.2
6
5th Class
21
31
26.3
6
6th Class
21
31
25.3
6
Total
39
219
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).