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
25.59
2025/26
Mainstream classes
17
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
5
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
5
1
5.00
5
0
2017/18
40
2
20.00
23
0
2019/20
134
6
22.33
25
0
2020/21
198
8
24.75
32
1
2021/22
262
10
26.20
32
4
2022/23
329
13
25.31
32
5
2023/24
382
16
23.88
32
5
2024/25
420
16
26.25
32
6
2025/26
435
17
25.59
31
5
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 268 in 2021/22 → 334, +66 pupils.
Largest single-class increase: 3rd Class in 2021/22 (11 → 32, +21).
Largest single-class decrease: 1st Class in 2025/26 (62 → 56, -6).
Largest cohort-step gain: SI → 1st in 2022/23 (62 → 64, +2).
Largest cohort-step loss: 5th → 6th in 2024/25 (31 → 28, -3).
Overall: 5 (2016/17) → 441 (2025/26), 436.
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
53
62
58.5
6
Senior Infants
50
62
58.3
6
1st Class
43
64
56.2
6
2nd Class
33
64
52.2
6
3rd Class
11
62
43.7
6
4th Class
12
62
40.4
5
5th Class
12
53
34.5
4
6th Class
12
40
26.7
3
Total
5
441
233.3
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).