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
23.12
2025/26
Mainstream classes
8
2025/26
Largest class group
26
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
200
8
25.00
28
0
2007/08
193
8
24.12
29
0
2008/09
202
8
25.25
30
1
2009/10
210
8
26.25
30
1
2010/11
214
8
26.75
29
0
2011/12
216
8
27.00
29
0
2012/13
213
8
26.62
31
1
2013/14
211
8
26.38
29
0
2014/15
207
8
25.88
28
0
2015/16
207
8
25.88
29
0
2016/17
203
8
25.38
29
0
2017/18
204
8
25.50
29
0
2019/20
207
8
25.88
29
0
2020/21
212
8
26.50
31
1
2021/22
205
8
25.62
29
0
2022/23
198
8
24.75
28
0
2023/24
198
8
24.75
27
0
2024/25
189
8
23.62
28
0
2025/26
185
8
23.12
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 140 in 1998/99 → 170, +30 pupils.
Biggest loss in a single year: 2024/25: 198 in 2023/24 → 189, -9 pupils.
Largest single-class increase: 5th Class in 2021/22 (23 → 29, +6).
Largest single-class decrease: 6th Class in 2025/26 (28 → 18, -10).
Largest cohort-step gain: 3rd → 4th in 2025/26 (24 → 26, +2).
Largest cohort-step loss: 4th → 5th in 2024/25 (24 → 18, -6).
Overall: 25 (1993/94) → 185 (2025/26), 160.
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
27
24.5
6
Senior Infants
23
27
24.7
6
1st Class
24
26
25.0
6
2nd Class
23
27
24.2
6
3rd Class
21
27
24.2
6
4th Class
23
29
25.7
6
5th Class
18
29
24.2
6
6th Class
18
31
25.5
6
Total
25
216
179.2
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).