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
25.44
2025/26
Mainstream classes
9
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
274
10
27.40
30
2
2007/08
268
10
26.80
29
0
2008/09
264
10
26.40
28
0
2009/10
258
10
25.80
32
1
2010/11
240
10
24.00
30
1
2011/12
218
9
24.22
30
1
2012/13
227
8
28.38
35
4
2013/14
234
8
29.25
33
5
2014/15
254
9
28.22
33
5
2015/16
253
9
28.11
32
4
2016/17
246
9
27.33
33
3
2017/18
237
9
26.33
34
1
2019/20
231
9
25.67
32
1
2020/21
227
9
25.22
32
1
2021/22
229
9
25.44
33
3
2022/23
217
9
24.11
31
1
2023/24
225
9
25.00
31
2
2024/25
221
9
24.56
28
0
2025/26
229
9
25.44
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 15 in 1983/84 → 267, +252 pupils.
Biggest loss in a single year: 1997/98: 252 in 1996/97 → 230, -22 pupils.
Largest single-class increase: Senior Infants in 2022/23 (24 → 36, +12).
Largest single-class decrease: 5th Class in 2021/22 (38 → 25, -13).
Largest cohort-step gain: 1st → 2nd in 2024/25 (36 → 38, +2).
Largest cohort-step loss: JI → SI in 2024/25 (31 → 28, -3).
Overall: 15 (1983/84) → 229 (2025/26), 214.
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
24
36
29.3
6
Senior Infants
24
36
28.3
6
1st Class
24
36
28.0
6
2nd Class
24
38
27.8
6
3rd Class
24
38
28.7
6
4th Class
24
31
26.2
6
5th Class
24
38
27.7
6
6th Class
24
38
28.7
6
Total
15
276
236.1
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).