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
23.86
2025/26
Mainstream classes
7
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+
2006/07
181
7
25.86
31
1
2007/08
198
7
28.29
33
3
2008/09
206
7
29.43
32
5
2009/10
209
7
29.86
33
5
2010/11
206
8
25.75
32
1
2011/12
196
8
24.50
31
2
2012/13
208
7
29.71
33
5
2013/14
199
8
24.88
33
2
2014/15
199
7
28.43
32
4
2015/16
190
7
27.14
33
3
2016/17
182
8
22.75
30
1
2017/18
183
7
26.14
32
2
2019/20
188
7
26.86
31
1
2020/21
173
7
24.71
28
0
2021/22
177
7
25.29
31
1
2022/23
180
7
25.71
31
2
2023/24
172
7
24.57
33
3
2024/25
173
7
24.71
31
3
2025/26
167
7
23.86
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2003/04: 155 in 2002/03 → 180, +25 pupils.
Biggest loss in a single year: 2020/21: 188 in 2019/20 → 173, -15 pupils.
Largest single-class increase: 3rd Class in 2023/24 (16 → 32, +16).
Largest single-class decrease: Senior Infants in 2021/22 (29 → 13, -16).
Largest cohort-step gain: JI → SI in 2022/23 (23 → 26, +3).
Largest cohort-step loss: 4th → 5th in 2025/26 (31 → 29, -2).
Overall: 130 (1974/75) → 167 (2025/26), 37.
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
12
24
18.8
6
Senior Infants
13
29
20.3
6
1st Class
15
29
20.0
6
2nd Class
15
31
22.0
6
3rd Class
16
32
22.2
6
4th Class
16
31
22.2
6
5th Class
16
29
24.2
6
6th Class
18
29
24.0
6
Total
130
209
165.2
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).