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
16.50
2025/26
Mainstream classes
16
2025/26
Largest class group
20
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+
2015/16
317
12
26.42
32
2
2016/17
307
12
25.58
30
1
2017/18
296
12
24.67
29
0
2019/20
251
14
17.93
22
0
2020/21
238
13
18.31
21
0
2021/22
246
14
17.57
20
0
2022/23
262
14
18.71
21
0
2023/24
269
15
17.93
21
0
2024/25
271
16
16.94
18
0
2025/26
264
16
16.50
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 246 in 2021/22 → 262, +16 pupils.
Biggest loss in a single year: 2019/20: 276 in 2018/19 → 251, -25 pupils.
Largest single-class increase: 1st Class in 2022/23 (59 → 74, +15).
Largest single-class decrease: Junior Infants in 2025/26 (69 → 57, -12).
Largest cohort-step gain: 1st → 2nd in 2024/25 (64 → 69, +5).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (74 → 0, -74).
Overall: 317 (2015/16) → 270 (2025/26), -47.
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
57
71
65.3
6
Senior Infants
59
70
65.8
6
1st Class
52
74
64.7
6
2nd Class
56
75
65.0
6
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
238
317
273.8
11
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).