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
23.56
2025/26
Mainstream classes
16
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
10
1
10.00
10
0
2015/16
36
2
18.00
18
0
2016/17
86
4
21.50
28
0
2017/18
148
6
24.67
28
0
2019/20
260
10
26.00
28
0
2020/21
307
12
25.58
29
0
2021/22
348
14
24.86
29
0
2022/23
373
15
24.87
27
0
2023/24
404
16
25.25
28
0
2024/25
390
16
24.38
28
0
2025/26
377
16
23.56
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 86 in 2016/17 → 148, +62 pupils.
Biggest loss in a single year: 2024/25: 404 in 2023/24 → 390, -14 pupils.
Largest single-class increase: 6th Class in 2023/24 (25 → 46, +21).
Largest single-class decrease: Junior Infants in 2025/26 (47 → 31, -16).
Largest cohort-step gain: SI → 1st in 2022/23 (45 → 51, +6).
Largest cohort-step loss: SI → 1st in 2021/22 (55 → 48, -7).
Overall: 10 (2014/15) → 377 (2025/26), 367.
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
31
57
48.3
6
Senior Infants
45
55
50.2
6
1st Class
48
53
50.5
6
2nd Class
50
54
52.0
6
3rd Class
43
52
49.0
6
4th Class
27
52
43.2
6
5th Class
26
52
40.8
6
6th Class
25
51
39.0
5
Total
10
404
245.5
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).