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
24.75
2025/26
Mainstream classes
8
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
222
8
27.75
33
4
2007/08
225
8
28.12
32
5
2008/09
252
9
28.00
35
6
2009/10
240
9
26.67
31
5
2010/11
244
9
27.11
33
5
2011/12
241
9
26.78
33
5
2012/13
237
9
26.33
34
3
2013/14
243
9
27.00
34
3
2014/15
243
9
27.00
34
4
2015/16
248
9
27.56
35
3
2016/17
232
9
25.78
32
1
2017/18
234
9
26.00
32
1
2019/20
220
9
24.44
33
2
2020/21
208
8
26.00
32
1
2021/22
215
8
26.88
33
1
2022/23
203
9
22.56
30
1
2023/24
200
9
22.22
30
1
2024/25
192
9
21.33
31
1
2025/26
198
8
24.75
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 175 in 2004/05 → 214, +39 pupils.
Biggest loss in a single year: 1993/94: 139 in 1983/84 → 77, -62 pupils.
Largest single-class increase: Junior Infants in 2025/26 (13 → 31, +18).
Largest single-class decrease: 1st Class in 2024/25 (31 → 15, -16).
Largest cohort-step gain: 3rd → 4th in 2025/26 (21 → 27, +6).
Largest cohort-step loss: 5th → 6th in 2023/24 (29 → 27, -2).
Overall: 139 (1983/84) → 210 (2025/26), 71.
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
13
31
21.2
6
Senior Infants
13
28
21.2
6
1st Class
15
31
24.0
6
2nd Class
16
31
24.3
6
3rd Class
21
37
27.8
6
4th Class
26
31
27.7
6
5th Class
27
32
29.5
6
6th Class
27
33
29.0
6
Total
69
252
179.8
34
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).