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
24.81
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+
2016/17
28
1
28.00
28
0
2017/18
92
3
30.67
31
3
2019/20
182
6
30.33
32
4
2020/21
232
8
29.00
30
4
2021/22
276
10
27.60
30
2
2022/23
357
14
25.50
29
0
2023/24
409
16
25.56
28
0
2024/25
400
16
25.00
28
0
2025/26
397
16
24.81
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 282 in 2021/22 → 369, +87 pupils.
Biggest loss in a single year: 2024/25: 421 in 2023/24 → 412, -9 pupils.
Largest single-class increase: 1st Class in 2021/22 (30 → 57, +27).
Largest single-class decrease: 2nd Class in 2021/22 (55 → 30, -25).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (30 → 41, +11).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (55 → 49, -6).
Overall: 28 (2016/17) → 409 (2025/26), 381.
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
45
57
51.7
6
Senior Infants
49
60
54.0
6
1st Class
30
57
50.7
6
2nd Class
30
58
52.2
6
3rd Class
30
55
47.5
6
4th Class
30
58
46.4
5
5th Class
41
51
45.8
4
6th Class
41
49
45.0
3
Total
28
421
254.4
10
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).