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
25.67
2025/26
Mainstream classes
9
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
13
1
13.00
13
0
2017/18
53
3
17.67
21
0
2019/20
119
5
23.80
32
2
2020/21
149
6
24.83
31
3
2021/22
180
7
25.71
31
4
2022/23
208
8
26.00
31
4
2023/24
231
10
23.10
30
3
2024/25
228
9
25.33
30
2
2025/26
231
9
25.67
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 13 in 2016/17 → 53, +40 pupils.
Largest single-class increase: Junior Infants in 2025/26 (26 → 42, +16).
Largest single-class decrease: 2nd Class in 2022/23 (37 → 30, -7).
Largest cohort-step gain: 5th → 6th in 2025/26 (34 → 35, +1).
Largest cohort-step loss: 1st → 2nd in 2024/25 (30 → 27, -3).
Overall: 13 (2016/17) → 242 (2025/26), 229.
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
26
42
31.7
6
Senior Infants
25
31
29.3
6
1st Class
27
37
31.0
6
2nd Class
27
37
30.8
6
3rd Class
17
37
28.5
6
4th Class
18
34
28.4
5
5th Class
19
34
27.5
4
6th Class
18
35
26.3
3
Total
13
242
151.9
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).