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
21.90
2025/26
Mainstream classes
10
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
176
6
29.33
32
2
2007/08
184
7
26.29
29
0
2008/09
197
7
28.14
34
2
2009/10
212
7
30.29
34
5
2010/11
233
8
29.12
36
4
2011/12
249
9
27.67
35
3
2012/13
264
9
29.33
33
4
2013/14
277
10
27.70
32
4
2014/15
276
10
27.60
32
4
2015/16
275
10
27.50
32
3
2016/17
267
11
24.27
28
0
2017/18
266
10
26.60
32
2
2019/20
273
11
24.82
34
3
2020/21
254
11
23.09
28
0
2021/22
248
10
24.80
28
0
2022/23
245
10
24.50
27
0
2023/24
248
10
24.80
32
3
2024/25
236
10
23.60
29
0
2025/26
219
10
21.90
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 149 in 1982/83 → 180, +31 pupils.
Biggest loss in a single year: 1996/97: 172 in 1995/96 → 152, -20 pupils.
Largest single-class increase: 5th Class in 2022/23 (30 → 42, +12).
Largest single-class decrease: 4th Class in 2025/26 (44 → 23, -21).
Largest cohort-step gain: 3rd → 4th in 2024/25 (40 → 44, +4).
Largest cohort-step loss: SI → 1st in 2025/26 (32 → 29, -3).
Overall: 130 (1975/76) → 239 (2025/26), 109.
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
33
26.2
6
Senior Infants
23
37
28.0
6
1st Class
24
40
30.5
6
2nd Class
24
40
32.0
6
3rd Class
23
42
33.7
6
4th Class
23
44
35.0
6
5th Class
26
44
35.5
6
6th Class
26
41
34.0
6
Total
122
281
194.2
41
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).