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
23.62
2025/26
Mainstream classes
8
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
1
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
215
8
26.88
30
1
2007/08
212
8
26.50
30
1
2008/09
221
8
27.62
31
1
2009/10
221
8
27.62
31
1
2010/11
220
8
27.50
30
2
2011/12
212
8
26.50
30
1
2012/13
211
8
26.38
30
1
2013/14
207
8
25.88
30
1
2014/15
213
8
26.62
30
1
2015/16
216
8
27.00
31
1
2016/17
212
8
26.50
31
1
2017/18
207
8
25.88
31
1
2019/20
214
8
26.75
30
2
2020/21
204
8
25.50
29
0
2021/22
207
8
25.88
29
0
2022/23
217
8
27.12
32
1
2023/24
209
9
23.22
29
0
2024/25
205
8
25.62
31
1
2025/26
189
8
23.62
31
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 156 in 1982/83 → 185, +29 pupils.
Biggest loss in a single year: 2025/26: 205 in 2024/25 → 189, -16 pupils.
Largest single-class increase: Junior Infants in 2021/22 (23 → 29, +6).
Largest single-class decrease: Junior Infants in 2023/24 (32 → 19, -13).
Largest cohort-step gain: 2nd → 3rd in 2021/22 (22 → 24, +2).
Largest cohort-step loss: 5th → 6th in 2025/26 (27 → 24, -3).
Overall: 158 (1974/75) → 189 (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
16
32
23.5
6
Senior Infants
20
31
24.8
6
1st Class
20
31
25.5
6
2nd Class
22
31
26.2
6
3rd Class
23
29
26.2
6
4th Class
22
29
26.2
6
5th Class
23
28
26.5
6
6th Class
23
29
26.3
6
Total
143
221
192.3
42
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).