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
23.08
2025/26
Mainstream classes
12
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+
2012/13
14
2
7.00
10
0
2013/14
52
2
26.00
32
1
2014/15
87
4
21.75
30
1
2015/16
134
5
26.80
31
2
2016/17
177
6
29.50
35
4
2017/18
217
8
27.12
35
4
2019/20
292
12
24.33
31
1
2020/21
314
12
26.17
31
1
2021/22
303
12
25.25
30
1
2022/23
293
12
24.42
30
2
2023/24
294
12
24.50
30
1
2024/25
281
12
23.42
30
1
2025/26
277
12
23.08
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 87 in 2014/15 → 134, +47 pupils.
Biggest loss in a single year: 2024/25: 294 in 2023/24 → 281, -13 pupils.
Largest single-class increase: Junior Infants in 2023/24 (30 → 47, +17).
Largest single-class decrease: Junior Infants in 2024/25 (47 → 33, -14).
Largest cohort-step gain: SI → 1st in 2025/26 (45 → 46, +1).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (42 → 39, -3).
Overall: 14 (2012/13) → 282 (2025/26), 268.
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
28
47
35.5
6
Senior Infants
26
45
35.8
6
1st Class
26
49
38.5
6
2nd Class
25
48
36.3
6
3rd Class
24
46
37.3
6
4th Class
32
43
38.3
6
5th Class
31
43
37.7
6
6th Class
29
43
35.0
6
Total
14
314
214.5
14
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).