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
15.94
2025/26
Mainstream classes
16
2025/26
Largest class group
20
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
257
13
19.77
28
0
2007/08
251
12
20.92
27
0
2008/09
249
12
20.75
29
0
2009/10
241
11
21.91
28
0
2010/11
229
11
20.82
28
0
2011/12
236
11
21.45
26
0
2012/13
240
11
21.82
33
1
2013/14
231
11
21.00
27
0
2014/15
233
11
21.18
27
0
2015/16
221
11
20.09
26
0
2016/17
219
10
21.90
27
0
2017/18
221
13
17.00
26
0
2019/20
216
13
16.62
24
0
2020/21
198
13
15.23
23
0
2021/22
183
11
16.64
25
0
2022/23
192
11
17.45
25
0
2023/24
225
13
17.31
23
0
2024/25
232
14
16.57
22
0
2025/26
255
16
15.94
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2025/26: 236 in 2024/25 → 267, +31 pupils.
Biggest loss in a single year: 2020/21: 227 in 2019/20 → 210, -17 pupils.
Largest single-class increase: 1st Class in 2024/25 (23 → 41, +18).
Largest single-class decrease: 5th Class in 2021/22 (38 → 16, -22).
Largest cohort-step gain: SI → 1st in 2025/26 (31 → 39, +8).
Largest cohort-step loss: 1st → 2nd in 2025/26 (41 → 36, -5).
Overall: 271 (2005/06) → 267 (2025/26), -4.
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
21
36
28.3
6
Senior Infants
17
37
27.3
6
1st Class
16
41
27.5
6
2nd Class
16
36
24.3
6
3rd Class
20
29
24.8
6
4th Class
16
34
24.8
6
5th Class
16
38
27.8
6
6th Class
18
40
31.7
6
Total
193
271
236.1
21
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).