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
26.25
2025/26
Mainstream classes
16
2025/26
Largest class group
28
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
243
8
30.38
31
7
2007/08
238
8
29.75
31
5
2008/09
227
8
28.38
30
1
2009/10
229
8
28.62
30
1
2010/11
226
8
28.25
29
0
2011/12
226
8
28.25
29
0
2012/13
226
8
28.25
30
1
2013/14
228
8
28.50
30
2
2014/15
232
8
29.00
31
4
2015/16
263
9
29.22
30
3
2016/17
293
10
29.30
30
4
2017/18
320
11
29.09
30
4
2019/20
367
13
28.23
30
2
2020/21
382
14
27.29
30
1
2021/22
401
15
26.73
29
0
2022/23
427
16
26.69
30
1
2023/24
421
16
26.31
29
0
2024/25
423
16
26.44
28
0
2025/26
420
16
26.25
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1995/96: 34 in 1994/95 → 77, +43 pupils.
Biggest loss in a single year: 2006/07: 252 in 2005/06 → 243, -9 pupils.
Largest single-class increase: 6th Class in 2022/23 (28 → 57, +29).
Largest single-class decrease: Senior Infants in 2021/22 (57 → 44, -13).
Largest cohort-step gain: SI → 1st in 2022/23 (44 → 49, +5).
Largest cohort-step loss: 4th → 5th in 2022/23 (52 → 49, -3).
Overall: 34 (1994/95) → 432 (2025/26), 398.
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
43
53
47.8
6
Senior Infants
44
57
50.8
6
1st Class
49
56
53.5
6
2nd Class
52
57
54.7
6
3rd Class
53
57
55.0
6
4th Class
52
58
55.7
6
5th Class
28
57
50.0
6
6th Class
28
57
46.8
6
Total
34
439
268.3
32
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).