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
23.00
2025/26
Mainstream classes
7
2025/26
Largest class group
29
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
194
7
27.71
31
1
2007/08
195
8
24.38
28
0
2008/09
207
8
25.88
28
0
2009/10
206
8
25.75
28
0
2010/11
208
8
26.00
30
1
2011/12
195
9
21.67
26
0
2012/13
195
8
24.38
26
0
2013/14
201
8
25.12
31
1
2014/15
197
8
24.62
30
2
2015/16
192
11
17.45
20
0
2016/17
193
11
17.55
19
0
2017/18
218
11
19.82
26
0
2019/20
218
9
24.22
30
1
2020/21
217
12
18.08
22
0
2021/22
210
12
17.50
24
0
2022/23
208
9
23.11
27
0
2023/24
192
8
24.00
29
0
2024/25
174
8
21.75
29
0
2025/26
161
7
23.00
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 206 in 2016/17 → 230, +24 pupils.
Biggest loss in a single year: 1995/96: 229 in 1994/95 → 205, -24 pupils.
Largest single-class increase: 2nd Class in 2025/26 (16 → 28, +12).
Largest single-class decrease: 2nd Class in 2024/25 (29 → 16, -13).
Largest cohort-step gain: 1st → 2nd in 2022/23 (36 → 39, +3).
Largest cohort-step loss: 1st → 2nd in 2024/25 (18 → 16, -2).
Overall: 241 (1975/76) → 172 (2025/26), -69.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
18
39
28.5
6
2nd Class
16
39
30.5
6
3rd Class
16
39
32.0
6
4th Class
30
40
35.2
6
5th Class
29
40
36.2
6
6th Class
29
42
37.0
6
Total
166
257
211.7
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).