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
18.73
2025/26
Mainstream classes
11
2025/26
Largest class group
24
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
229
11
20.82
26
0
2007/08
236
12
19.67
24
0
2008/09
250
13
19.23
24
0
2009/10
236
13
18.15
21
0
2010/11
235
12
19.58
28
0
2011/12
212
11
19.27
26
0
2012/13
211
10
21.10
25
0
2013/14
221
10
22.10
28
0
2014/15
211
11
19.18
23
0
2015/16
252
12
21.00
24
0
2016/17
241
12
20.08
25
0
2017/18
227
11
20.64
26
0
2019/20
222
11
20.18
24
0
2020/21
202
11
18.36
24
0
2021/22
194
10
19.40
23
0
2022/23
210
11
19.09
26
0
2023/24
207
11
18.82
24
0
2024/25
200
11
18.18
23
0
2025/26
206
11
18.73
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 211 in 2014/15 → 252, +41 pupils.
Biggest loss in a single year: 2011/12: 235 in 2010/11 → 212, -23 pupils.
Largest single-class increase: 5th Class in 2021/22 (12 → 27, +15).
Largest single-class decrease: 1st Class in 2021/22 (35 → 23, -12).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (18 → 24, +6).
Largest cohort-step loss: 1st → 2nd in 2021/22 (35 → 15, -20).
Overall: 230 (1993/94) → 212 (2025/26), -18.
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
35
45
39.8
6
Senior Infants
26
40
34.8
6
1st Class
23
39
34.8
6
2nd Class
10
23
17.7
6
3rd Class
10
24
18.8
6
4th Class
10
29
19.5
6
5th Class
10
27
18.3
6
6th Class
12
26
20.3
6
Total
200
291
235.3
33
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).