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
20.93
2025/26
Mainstream classes
14
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
205
8
25.62
33
2
2007/08
219
8
27.38
33
2
2008/09
228
8
28.50
34
3
2009/10
250
9
27.78
35
4
2010/11
253
10
25.30
33
2
2011/12
286
10
28.60
37
5
2012/13
286
11
26.00
36
4
2013/14
286
11
26.00
34
3
2014/15
292
11
26.55
31
2
2015/16
317
11
28.82
32
4
2016/17
315
12
26.25
32
1
2017/18
325
12
27.08
32
5
2019/20
345
13
26.54
31
4
2020/21
333
13
25.62
31
2
2021/22
315
13
24.23
32
1
2022/23
308
13
23.69
31
1
2023/24
288
13
22.15
31
2
2024/25
314
14
22.43
31
2
2025/26
293
14
20.93
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2009/10: 238 in 2008/09 → 266, +28 pupils.
Biggest loss in a single year: 1995/96: 293 in 1994/95 → 245, -48 pupils.
Largest single-class increase: 3rd Class in 2021/22 (30 → 53, +23).
Largest single-class decrease: Senior Infants in 2021/22 (53 → 29, -24).
Largest cohort-step gain: SI → 1st in 2025/26 (29 → 33, +4).
Largest cohort-step loss: JI → SI in 2022/23 (31 → 28, -3).
Overall: 302 (1993/94) → 293 (2025/26), -9.
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
25
42
30.8
6
Senior Infants
28
53
35.5
6
1st Class
27
52
35.2
6
2nd Class
30
53
38.8
6
3rd Class
30
54
38.8
6
4th Class
29
56
42.5
6
5th Class
31
58
44.5
6
6th Class
31
53
42.3
6
Total
198
345
267.0
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).