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
27
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
223
8
27.88
32
1
2007/08
219
8
27.38
29
0
2008/09
216
8
27.00
29
0
2009/10
222
8
27.75
30
1
2010/11
219
8
27.38
31
2
2011/12
220
8
27.50
31
2
2012/13
223
8
27.88
33
3
2013/14
223
8
27.88
31
4
2014/15
221
8
27.62
30
2
2015/16
227
8
28.38
31
3
2016/17
231
8
28.88
32
4
2017/18
231
9
25.67
31
2
2019/20
233
9
25.89
32
4
2020/21
226
9
25.11
31
3
2021/22
214
10
21.40
30
1
2022/23
213
8
26.62
31
2
2023/24
208
8
26.00
31
1
2024/25
201
8
25.12
28
0
2025/26
202
8
25.25
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1995/96: 36 in 1994/95 → 67, +31 pupils.
Biggest loss in a single year: 2002/03: 221 in 2001/02 → 208, -13 pupils.
Largest single-class increase: Junior Infants in 2022/23 (23 → 31, +8).
Largest single-class decrease: Junior Infants in 2023/24 (31 → 23, -8).
Largest cohort-step gain: SI → 1st in 2025/26 (24 → 27, +3).
Largest cohort-step loss: SI → 1st in 2021/22 (27 → 24, -3).
Overall: 36 (1994/95) → 208 (2025/26), 172.
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
23
31
25.7
6
Senior Infants
23
31
26.2
6
1st Class
24
30
26.3
6
2nd Class
24
30
26.0
6
3rd Class
24
31
25.8
6
4th Class
24
31
27.0
6
5th Class
25
31
27.5
6
6th Class
25
32
28.2
6
Total
36
237
197.3
32
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).