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
23.57
2025/26
Mainstream classes
21
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+
2024/25
512
21
24.38
30
1
2025/26
495
21
23.57
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest loss in a single year: 2025/26: 514 in 2024/25 → 501, -13 pupils.
Largest single-class increase: Senior Infants in 2025/26 (60 → 65, +5).
Largest single-class decrease: 4th Class in 2025/26 (76 → 65, -11).
Largest cohort-step gain: 3rd → 4th in 2025/26 (58 → 65, +7).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (56 → 51, -5).
Overall: 514 (2024/25) → 501 (2025/26), -13.
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
55
63
59.0
2
Senior Infants
60
65
62.5
2
1st Class
59
60
59.5
2
2nd Class
56
57
56.5
2
3rd Class
51
58
54.5
2
4th Class
65
76
70.5
2
5th Class
71
76
73.5
2
6th Class
68
73
70.5
2
Total
501
514
507.5
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).