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
26.20
2025/26
Mainstream classes
10
2025/26
Largest class group
34
2025/26
Classes with 30+ pupils
4
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
275
11
25.00
28
0
2007/08
289
10
28.90
34
5
2008/09
273
11
24.82
30
1
2009/10
247
10
24.70
29
0
2010/11
232
9
25.78
33
3
2011/12
225
9
25.00
30
1
2012/13
225
8
28.12
34
2
2013/14
232
8
29.00
33
5
2014/15
234
9
26.00
33
1
2015/16
241
9
26.78
35
3
2016/17
246
9
27.33
35
3
2017/18
238
9
26.44
35
1
2019/20
240
9
26.67
34
2
2020/21
232
9
25.78
33
3
2021/22
226
9
25.11
30
2
2022/23
238
9
26.44
37
4
2023/24
226
10
22.60
31
2
2024/25
248
10
24.80
33
3
2025/26
262
10
26.20
34
4
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1998/99: 277 in 1997/98 → 302, +25 pupils.
Biggest loss in a single year: 2009/10: 275 in 2008/09 → 248, -27 pupils.
Largest single-class increase: Senior Infants in 2022/23 (23 → 31, +8).
Largest single-class decrease: 6th Class in 2021/22 (38 → 29, -9).
Largest cohort-step gain: 4th → 5th in 2024/25 (25 → 29, +4).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (32 → 29, -3).
Overall: 284 (1993/94) → 262 (2025/26), -22.
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
24
39
31.7
6
Senior Infants
23
37
30.7
6
1st Class
24
31
28.5
6
2nd Class
25
33
28.8
6
3rd Class
25
34
28.2
6
4th Class
25
33
28.3
6
5th Class
26
35
30.7
6
6th Class
28
38
31.8
6
Total
225
326
263.1
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).