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
19.27
2025/26
Mainstream classes
11
2025/26
Largest class group
29
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
218
8
27.25
30
1
2007/08
221
8
27.62
31
2
2008/09
212
8
26.50
31
1
2009/10
210
8
26.25
29
0
2010/11
213
8
26.62
29
0
2011/12
215
8
26.88
31
1
2012/13
207
8
25.88
29
0
2013/14
210
8
26.25
31
1
2014/15
213
8
26.62
31
2
2015/16
213
8
26.62
31
2
2016/17
213
9
23.67
29
0
2017/18
213
9
23.67
29
0
2019/20
210
8
26.25
29
0
2020/21
214
8
26.75
30
1
2021/22
214
9
23.78
30
1
2022/23
214
11
19.45
30
1
2023/24
215
11
19.55
29
0
2024/25
214
11
19.45
28
0
2025/26
212
11
19.27
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1998/99: 55 in 1997/98 → 85, +30 pupils.
Biggest loss in a single year: 2008/09: 221 in 2007/08 → 212, -9 pupils.
Largest single-class increase: 1st Class in 2021/22 (24 → 30, +6).
Largest single-class decrease: 4th Class in 2022/23 (29 → 22, -7).
Largest cohort-step gain: SI → 1st in 2021/22 (28 → 30, +2).
Largest cohort-step loss: 4th → 5th in 2025/26 (27 → 21, -6).
Overall: 26 (1996/97) → 212 (2025/26), 186.
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
27
30
29.2
6
Senior Infants
28
30
28.7
6
1st Class
24
30
27.3
6
2nd Class
23
30
27.2
6
3rd Class
22
29
26.2
6
4th Class
22
29
26.2
6
5th Class
21
27
24.2
6
6th Class
22
27
25.0
6
Total
26
221
189.6
30
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).