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
21.56
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+
2008/09
61
3
20.33
23
0
2009/10
107
4
26.75
32
1
2010/11
136
6
22.67
30
1
2011/12
187
8
23.38
31
1
2012/13
238
10
23.80
30
1
2013/14
292
11
26.55
32
1
2014/15
319
12
26.58
31
1
2015/16
355
14
25.36
29
0
2016/17
358
14
25.57
30
2
2017/18
381
15
25.40
31
2
2019/20
389
16
24.31
30
1
2020/21
375
16
23.44
30
1
2021/22
363
16
22.69
27
0
2022/23
356
16
22.25
27
0
2023/24
362
16
22.62
25
0
2024/25
345
16
21.56
24
0
2025/26
345
16
21.56
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 241 in 2012/13 → 297, +56 pupils.
Biggest loss in a single year: 2024/25: 391 in 2023/24 → 373, -18 pupils.
Largest single-class increase: Junior Infants in 2023/24 (42 → 51, +9).
Largest single-class decrease: Junior Infants in 2024/25 (51 → 37, -14).
Largest cohort-step gain: SI → 1st in 2025/26 (45 → 53, +8).
Largest cohort-step loss: JI → SI in 2024/25 (51 → 45, -6).
Overall: 61 (2008/09) → 375 (2025/26), 314.
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
37
51
43.7
6
Senior Infants
40
47
43.3
6
1st Class
41
53
44.0
6
2nd Class
41
49
45.0
6
3rd Class
41
49
45.7
6
4th Class
42
53
46.3
6
5th Class
41
53
47.0
6
6th Class
44
59
49.7
6
Total
61
419
315.1
18
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).