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
23.24
2025/26
Mainstream classes
21
2025/26
Largest class group
29
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+
2013/14
18
2
9.00
9
0
2014/15
36
2
18.00
19
0
2015/16
80
4
20.00
22
0
2016/17
133
6
22.17
26
0
2017/18
208
8
26.00
31
1
2019/20
332
12
27.67
28
0
2020/21
406
15
27.07
29
0
2021/22
450
17
26.47
30
1
2022/23
471
19
24.79
31
2
2023/24
474
20
23.70
34
2
2024/25
495
21
23.57
31
1
2025/26
488
21
23.24
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 133 in 2016/17 → 208, +75 pupils.
Biggest loss in a single year: 2025/26: 513 in 2024/25 → 506, -7 pupils.
Largest single-class increase: 6th Class in 2022/23 (28 → 58, +30).
Largest single-class decrease: 1st Class in 2024/25 (75 → 48, -27).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (70 → 79, +9).
Largest cohort-step loss: 4th → 5th in 2024/25 (66 → 59, -7).
Overall: 18 (2013/14) → 506 (2025/26), 488.
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
47
68
58.5
6
Senior Infants
48
72
61.7
6
1st Class
48
75
61.2
6
2nd Class
55
82
62.8
6
3rd Class
52
83
64.3
6
4th Class
55
76
61.7
6
5th Class
29
59
51.5
6
6th Class
28
58
47.3
6
Total
18
513
300.5
13
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).