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
24.73
2025/26
Mainstream classes
41
2025/26
Largest class group
25
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+
2013/14
945
35
27.00
32
9
2014/15
955
35
27.29
31
7
2015/16
987
36
27.42
32
4
2016/17
991
37
26.78
32
4
2017/18
949
37
25.65
29
0
2019/20
988
38
26.00
30
4
2020/21
978
38
25.74
31
1
2021/22
984
39
25.23
31
3
2022/23
947
41
23.10
25
0
2023/24
978
42
23.29
25
0
2024/25
998
41
24.34
25
0
2025/26
1,014
41
24.73
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 960 in 2018/19 → 1001, +41 pupils.
Biggest loss in a single year: 2017/18: 1002 in 2016/17 → 962, -40 pupils.
Largest single-class increase: 3rd Class in 2023/24 (108 → 150, +42).
Largest single-class decrease: 4th Class in 2021/22 (145 → 111, -34).
Largest cohort-step gain: SI → 1st in 2024/25 (100 → 122, +22).
Largest cohort-step loss: SI → 1st in 2022/23 (118 → 117, -1).
Overall: 945 (2013/14) → 1025 (2025/26), 80.
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
88
124
105.2
6
Senior Infants
100
136
113.5
6
1st Class
107
137
120.2
6
2nd Class
108
141
123.0
6
3rd Class
108
150
126.3
6
4th Class
111
150
133.7
6
5th Class
118
152
133.3
6
6th Class
121
145
130.2
6
Total
945
1025
985.2
13
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).