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
22.93
2025/26
Mainstream classes
14
2025/26
Largest class group
32
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+
2014/15
44
2
22.00
23
0
2015/16
89
4
22.25
25
0
2016/17
146
6
24.33
25
0
2017/18
185
8
23.12
28
0
2019/20
277
11
25.18
31
1
2020/21
311
12
25.92
29
0
2021/22
360
14
25.71
30
4
2022/23
354
15
23.60
30
1
2023/24
338
15
22.53
31
1
2024/25
330
15
22.00
28
0
2025/26
321
14
22.93
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 89 in 2015/16 → 146, +57 pupils.
Biggest loss in a single year: 2023/24: 360 in 2022/23 → 349, -11 pupils.
Largest single-class increase: 2nd Class in 2021/22 (29 → 57, +28).
Largest single-class decrease: 6th Class in 2024/25 (54 → 28, -26).
Largest cohort-step gain: 1st → 2nd in 2025/26 (44 → 53, +9).
Largest cohort-step loss: SI → 1st in 2021/22 (50 → 45, -5).
Overall: 44 (2014/15) → 333 (2025/26), 289.
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
32
50
41.2
6
Senior Infants
37
50
43.7
6
1st Class
34
54
44.0
6
2nd Class
29
57
44.8
6
3rd Class
30
54
43.7
6
4th Class
30
51
43.0
6
5th Class
28
51
41.5
6
6th Class
28
54
44.2
5
Total
44
360
252.8
12
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).