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
23.50
2025/26
Mainstream classes
10
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+
2014/15
150
6
25.00
33
2
2015/16
167
6
27.83
34
3
2016/17
191
7
27.29
33
3
2017/18
216
8
27.00
33
3
2019/20
243
9
27.00
32
4
2020/21
242
9
26.89
32
3
2021/22
241
10
24.10
30
2
2022/23
240
10
24.00
30
3
2023/24
237
9
26.33
29
0
2024/25
236
10
23.60
29
0
2025/26
235
10
23.50
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 216 in 2017/18 → 245, +29 pupils.
Biggest loss in a single year: 2023/24: 246 in 2022/23 → 243, -3 pupils.
Largest single-class increase: 6th Class in 2025/26 (29 → 48, +19).
Largest single-class decrease: 1st Class in 2021/22 (46 → 27, -19).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (25 → 28, +3).
Largest cohort-step loss: 4th → 5th in 2021/22 (32 → 29, -3).
Overall: 150 (2014/15) → 241 (2025/26), 91.
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
24
31
26.7
6
Senior Infants
23
29
26.7
6
1st Class
24
46
29.5
6
2nd Class
25
45
30.2
6
3rd Class
28
46
32.0
6
4th Class
29
45
32.5
6
5th Class
26
46
31.5
6
6th Class
21
48
30.5
6
Total
150
249
223.6
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).