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
24.19
2025/26
Mainstream classes
16
2025/26
Largest class group
27
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+
2012/13
20
2
10.00
10
0
2013/14
59
3
19.67
23
0
2014/15
121
5
24.20
28
0
2015/16
180
7
25.71
30
2
2016/17
234
9
26.00
30
1
2017/18
274
11
24.91
27
0
2019/20
390
15
26.00
30
1
2020/21
417
16
26.06
30
2
2021/22
397
16
24.81
30
1
2022/23
380
16
23.75
29
0
2023/24
373
16
23.31
25
0
2024/25
358
16
22.38
27
0
2025/26
387
16
24.19
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2014/15: 59 in 2013/14 → 121, +62 pupils.
Biggest loss in a single year: 2021/22: 417 in 2020/21 → 397, -20 pupils.
Largest single-class increase: 5th Class in 2025/26 (40 → 53, +13).
Largest single-class decrease: 3rd Class in 2022/23 (56 → 42, -14).
Largest cohort-step gain: 5th → 6th in 2025/26 (40 → 52, +12).
Largest cohort-step loss: 3rd → 4th in 2022/23 (56 → 46, -10).
Overall: 20 (2012/13) → 399 (2025/26), 379.
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
40
50
46.3
6
Senior Infants
42
53
47.7
6
1st Class
34
52
45.8
6
2nd Class
44
54
48.0
6
3rd Class
42
56
50.0
6
4th Class
44
60
50.5
6
5th Class
40
56
49.2
6
6th Class
43
55
50.3
6
Total
20
417
283.1
14
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).