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
17.33
2025/26
Mainstream classes
9
2025/26
Largest class group
24
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+
2011/12
232
11
21.09
27
0
2012/13
212
10
21.20
26
0
2013/14
208
10
20.80
27
0
2014/15
189
9
21.00
26
0
2015/16
175
9
19.44
26
0
2016/17
186
8
23.25
30
1
2017/18
176
10
17.60
30
1
2019/20
155
11
14.09
25
0
2020/21
143
10
14.30
25
0
2021/22
134
10
13.40
22
0
2022/23
143
9
15.89
24
0
2023/24
155
10
15.50
24
0
2024/25
152
10
15.20
24
0
2025/26
156
9
17.33
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 175 in 2015/16 → 192, +17 pupils.
Biggest loss in a single year: 2012/13: 232 in 2011/12 → 212, -20 pupils.
Largest single-class increase: 4th Class in 2023/24 (11 → 25, +14).
Largest single-class decrease: 6th Class in 2021/22 (25 → 11, -14).
Largest cohort-step gain: 1st → 2nd in 2025/26 (19 → 22, +3).
Largest cohort-step loss: SI → 1st in 2025/26 (25 → 22, -3).
Overall: 232 (2011/12) → 168 (2025/26), -64.
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
17
25
20.3
6
Senior Infants
16
25
20.3
6
1st Class
17
24
20.0
6
2nd Class
14
25
19.5
6
3rd Class
12
25
19.5
6
4th Class
11
25
17.7
6
5th Class
11
25
16.3
6
6th Class
11
25
17.7
6
Total
145
232
179.8
15
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).