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
22.57
2025/26
Mainstream classes
7
2025/26
Largest class group
27
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
34
2
17.00
19
0
2007/08
62
3
20.67
25
0
2008/09
85
4
21.25
26
0
2009/10
117
5
23.40
28
0
2010/11
140
6
23.33
25
0
2011/12
157
6
26.17
33
3
2012/13
206
7
29.43
33
4
2013/14
239
9
26.56
34
3
2014/15
258
10
25.80
30
2
2015/16
265
10
26.50
33
4
2016/17
291
11
26.45
33
1
2017/18
272
11
24.73
28
0
2019/20
273
11
24.82
30
1
2020/21
253
10
25.30
33
1
2021/22
223
10
22.30
28
0
2022/23
200
9
22.22
27
0
2023/24
184
8
23.00
30
1
2024/25
168
7
24.00
33
2
2025/26
158
7
22.57
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 157 in 2011/12 → 206, +49 pupils.
Biggest loss in a single year: 2021/22: 253 in 2020/21 → 223, -30 pupils.
Largest single-class increase: 2nd Class in 2021/22 (20 → 26, +6).
Largest single-class decrease: 3rd Class in 2021/22 (44 → 20, -24).
Largest cohort-step gain: SI → 1st in 2023/24 (21 → 23, +2).
Largest cohort-step loss: SI → 1st in 2021/22 (29 → 24, -5).
Overall: 34 (2006/07) → 158 (2025/26), 124.
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
10
29
18.8
6
Senior Infants
16
29
22.2
6
1st Class
14
27
22.3
6
2nd Class
19
27
23.2
6
3rd Class
20
44
26.8
6
4th Class
19
39
27.5
6
5th Class
19
35
27.8
6
6th Class
19
36
29.0
6
Total
34
291
193.2
20
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).