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
22.81
2025/26
Mainstream classes
16
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
2025/26
Class group metrics trend
Class group metrics by year
Year
Mainstream class pupils
Mainstream classes
Average class size
Largest class
Classes 30+
2024/25
341
16
21.31
32
1
2025/26
365
16
22.81
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2025/26: 376 in 2024/25 → 401, +25 pupils.
Largest single-class increase: 6th Class in 2025/26 (38 → 60, +22).
Largest single-class decrease: 4th Class in 2025/26 (58 → 51, -7).
Largest cohort-step gain: JI → SI in 2025/26 (33 → 46, +13).
Overall: 376 (2024/25) → 401 (2025/26), 25.
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
33
54
43.5
2
Senior Infants
44
46
45.0
2
1st Class
29
50
39.5
2
2nd Class
34
39
36.5
2
3rd Class
45
45
45.0
2
4th Class
51
58
54.5
2
5th Class
55
61
58.0
2
6th Class
38
60
49.0
2
Total
376
401
388.5
2
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).