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
26.00
2025/26
Mainstream classes
8
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
2
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
169
6
28.17
32
3
2007/08
161
6
26.83
28
0
2008/09
173
6
28.83
34
2
2009/10
180
6
30.00
34
4
2010/11
180
7
25.71
28
0
2011/12
179
7
25.57
28
0
2012/13
201
7
28.71
32
3
2013/14
192
7
27.43
34
2
2014/15
199
7
28.43
33
4
2015/16
192
7
27.43
32
4
2016/17
197
7
28.14
36
3
2017/18
203
7
29.00
35
4
2019/20
211
8
26.38
35
2
2020/21
208
8
26.00
33
1
2021/22
213
8
26.62
32
1
2022/23
207
8
25.88
31
1
2023/24
210
8
26.25
31
1
2024/25
207
8
25.88
31
1
2025/26
208
8
26.00
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 179 in 2011/12 → 201, +22 pupils.
Biggest loss in a single year: 2013/14: 201 in 2012/13 → 192, -9 pupils.
Largest single-class increase: 6th Class in 2021/22 (26 → 32, +6).
Largest single-class decrease: 5th Class in 2021/22 (33 → 21, -12).
Largest cohort-step gain: 1st → 2nd in 2025/26 (28 → 30, +2).
Largest cohort-step loss: SI → 1st in 2022/23 (29 → 27, -2).
Overall: 119 (1974/75) → 208 (2025/26), 89.
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
20
29
25.2
6
Senior Infants
19
29
26.0
6
1st Class
19
29
26.0
6
2nd Class
22
31
27.3
6
3rd Class
23
31
26.7
6
4th Class
21
31
25.7
6
5th Class
21
33
26.5
6
6th Class
20
32
25.5
6
Total
119
213
170.3
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).