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
21.79
2025/26
Mainstream classes
14
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+
2015/16
375
14
26.79
31
3
2016/17
366
14
26.14
32
3
2017/18
355
14
25.36
31
2
2019/20
415
17
24.41
31
3
2020/21
407
16
25.44
31
3
2021/22
427
16
26.69
31
5
2022/23
396
17
23.29
26
0
2023/24
353
16
22.06
27
0
2024/25
334
15
22.27
30
1
2025/26
305
14
21.79
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 364 in 2017/18 → 410, +46 pupils.
Biggest loss in a single year: 2023/24: 407 in 2022/23 → 365, -42 pupils.
Largest single-class increase: 6th Class in 2021/22 (84 → 124, +40).
Largest single-class decrease: 4th Class in 2023/24 (104 → 78, -26).
Largest cohort-step gain: 5th → 6th in 2023/24 (96 → 103, +7).
Largest cohort-step loss: 3rd → 4th in 2024/25 (77 → 74, -3).
Overall: 375 (2015/16) → 323 (2025/26), -52.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
0
0
0.0
1
3rd Class
77
97
84.7
6
4th Class
74
113
90.8
6
5th Class
78
119
98.5
6
6th Class
80
124
101.8
6
Total
323
437
385.9
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).