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
16.62
2025/26
Mainstream classes
16
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+
2013/14
232
15
15.47
22
0
2014/15
234
14
16.71
22
0
2015/16
233
14
16.64
21
0
2016/17
230
14
16.43
21
0
2017/18
239
15
15.93
20
0
2019/20
236
16
14.75
19
0
2020/21
241
16
15.06
19
0
2021/22
254
15
16.93
23
0
2022/23
288
16
18.00
22
0
2023/24
292
16
18.25
22
0
2024/25
266
16
16.62
21
0
2025/26
266
16
16.62
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 260 in 2021/22 → 300, +40 pupils.
Biggest loss in a single year: 2024/25: 304 in 2023/24 → 278, -26 pupils.
Largest single-class increase: 6th Class in 2021/22 (22 → 43, +21).
Largest single-class decrease: 4th Class in 2023/24 (43 → 23, -20).
Largest cohort-step gain: 5th → 6th in 2022/23 (28 → 40, +12).
Largest cohort-step loss: 4th → 5th in 2025/26 (39 → 32, -7).
Overall: 243 (2013/14) → 278 (2025/26), 35.
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
30
47
37.7
6
Senior Infants
29
44
36.2
6
1st Class
25
41
34.0
6
2nd Class
23
43
33.5
6
3rd Class
23
44
34.7
6
4th Class
23
43
32.5
6
5th Class
23
38
32.8
6
6th Class
22
43
35.5
6
Total
243
304
261.8
13
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).