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
23.64
2025/26
Mainstream classes
11
2025/26
Largest class group
28
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
241
11
21.91
33
3
2007/08
225
11
20.45
30
1
2008/09
221
10
22.10
33
1
2009/10
186
8
23.25
29
0
2010/11
192
9
21.33
29
0
2011/12
195
9
21.67
30
2
2012/13
190
9
21.11
29
0
2013/14
211
7
30.14
39
4
2014/15
237
9
26.33
30
1
2015/16
233
9
25.89
32
2
2016/17
234
9
26.00
30
3
2017/18
266
9
29.56
31
4
2019/20
301
11
27.36
30
1
2020/21
300
11
27.27
29
0
2021/22
298
11
27.09
29
0
2022/23
279
11
25.36
29
0
2023/24
276
11
25.09
29
0
2024/25
270
11
24.55
29
0
2025/26
260
11
23.64
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2017/18: 234 in 2016/17 → 266, +32 pupils.
Biggest loss in a single year: 2009/10: 226 in 2008/09 → 188, -38 pupils.
Largest single-class increase: 3rd Class in 2022/23 (29 → 57, +28).
Largest single-class decrease: 5th Class in 2021/22 (56 → 28, -28).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (54 → 57, +3).
Largest cohort-step loss: 5th → 6th in 2021/22 (56 → 51, -5).
Overall: 291 (1993/94) → 260 (2025/26), -31.
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
25
29
28.0
6
Senior Infants
26
49
31.5
6
1st Class
25
56
36.3
6
2nd Class
27
54
36.2
6
3rd Class
25
57
36.5
6
4th Class
25
55
35.3
6
5th Class
28
56
41.3
6
6th Class
27
51
35.3
6
Total
188
301
248.7
33
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).