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
23.75
2025/26
Mainstream classes
8
2025/26
Largest class group
27
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+
2014/15
47
3
15.67
22
0
2015/16
68
3
22.67
26
0
2016/17
73
3
24.33
29
0
2017/18
78
3
26.00
32
1
2019/20
124
5
24.80
29
0
2020/21
126
5
25.20
31
1
2021/22
150
8
18.75
26
0
2022/23
175
7
25.00
28
0
2023/24
185
7
26.43
28
0
2024/25
192
8
24.00
28
0
2025/26
190
8
23.75
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 101 in 2018/19 → 135, +34 pupils.
Biggest loss in a single year: 2025/26: 204 in 2024/25 → 202, -2 pupils.
Largest single-class increase: 5th Class in 2025/26 (21 → 32, +11).
Largest single-class decrease: 5th Class in 2021/22 (17 → 12, -5).
Largest cohort-step gain: 4th → 5th in 2025/26 (27 → 32, +5).
Largest cohort-step loss: 5th → 6th in 2021/22 (17 → 14, -3).
Overall: 47 (2014/15) → 202 (2025/26), 155.
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
21
28
23.8
6
Senior Infants
24
28
25.8
6
1st Class
16
28
25.3
6
2nd Class
15
28
22.8
6
3rd Class
15
27
21.7
6
4th Class
12
27
19.3
6
5th Class
12
32
19.0
6
6th Class
5
20
14.2
6
Total
47
204
132.8
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).