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
26.50
2025/26
Mainstream classes
8
2025/26
Largest class group
32
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+
2006/07
115
4
28.75
30
2
2007/08
115
5
23.00
29
0
2008/09
114
5
22.80
29
0
2009/10
133
5
26.60
33
1
2010/11
147
5
29.40
35
2
2011/12
175
6
29.17
32
3
2012/13
191
7
27.29
32
3
2013/14
207
7
29.57
33
4
2014/15
205
8
25.62
32
2
2015/16
220
8
27.50
32
4
2016/17
226
8
28.25
30
1
2017/18
226
8
28.25
30
2
2019/20
223
9
24.78
31
1
2020/21
212
8
26.50
30
1
2021/22
218
8
27.25
31
2
2022/23
218
8
27.25
30
2
2023/24
212
8
26.50
31
1
2024/25
209
8
26.12
31
1
2025/26
212
8
26.50
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2011/12: 147 in 2010/11 → 175, +28 pupils.
Biggest loss in a single year: 2020/21: 223 in 2019/20 → 212, -11 pupils.
Largest single-class increase: 6th Class in 2021/22 (23 → 31, +8).
Largest single-class decrease: Senior Infants in 2024/25 (29 → 20, -9).
Largest cohort-step gain: 3rd → 4th in 2025/26 (25 → 27, +2).
Largest cohort-step loss: SI → 1st in 2022/23 (28 → 26, -2).
Overall: 47 (1974/75) → 212 (2025/26), 165.
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
22
29
26.2
6
Senior Infants
20
30
25.8
6
1st Class
21
31
26.5
6
2nd Class
25
31
26.8
6
3rd Class
24
32
26.5
6
4th Class
23
29
26.3
6
5th Class
24
30
27.5
6
6th Class
23
31
27.8
6
Total
47
228
135.0
42
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).