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
23.50
2025/26
Mainstream classes
8
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
177
7
25.29
30
1
2007/08
194
8
24.25
33
1
2008/09
199
8
24.88
28
0
2009/10
205
8
25.62
30
1
2010/11
216
8
27.00
31
2
2011/12
219
8
27.38
30
3
2012/13
218
8
27.25
31
2
2013/14
220
8
27.50
30
1
2014/15
219
8
27.38
31
2
2015/16
217
8
27.12
31
2
2016/17
219
8
27.38
31
1
2017/18
216
8
27.00
30
4
2019/20
219
8
27.38
33
4
2020/21
216
8
27.00
32
3
2021/22
214
8
26.75
34
3
2022/23
199
8
24.88
33
2
2023/24
191
8
23.88
32
1
2024/25
183
8
22.88
30
1
2025/26
188
8
23.50
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 146 in 2004/05 → 172, +26 pupils.
Biggest loss in a single year: 2022/23: 214 in 2021/22 → 199, -15 pupils.
Largest single-class increase: 2nd Class in 2021/22 (19 → 34, +15).
Largest single-class decrease: 2nd Class in 2022/23 (34 → 25, -9).
Largest cohort-step gain: JI → SI in 2021/22 (22 → 25, +3).
Largest cohort-step loss: SI → 1st in 2023/24 (23 → 22, -1).
Overall: 110 (1993/94) → 194 (2025/26), 84.
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
15
26
22.0
6
Senior Infants
15
26
23.3
6
1st Class
15
32
24.3
6
2nd Class
15
34
23.3
6
3rd Class
18
33
24.7
6
4th Class
19
32
26.5
6
5th Class
19
32
27.8
6
6th Class
19
32
28.5
6
Total
99
222
172.8
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).