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
26.88
2025/26
Mainstream classes
8
2025/26
Largest class group
30
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
236
8
29.50
33
4
2007/08
242
8
30.25
32
6
2008/09
233
8
29.12
30
3
2009/10
239
8
29.88
31
6
2010/11
241
8
30.12
32
5
2011/12
234
8
29.25
31
5
2012/13
235
8
29.38
31
5
2013/14
233
8
29.12
32
4
2014/15
234
8
29.25
32
3
2015/16
232
8
29.00
32
3
2016/17
232
8
29.00
32
3
2017/18
230
8
28.75
30
1
2019/20
227
8
28.38
30
3
2020/21
227
8
28.38
30
3
2021/22
227
8
28.38
31
2
2022/23
226
8
28.25
31
2
2023/24
224
8
28.00
31
2
2024/25
220
8
27.50
30
1
2025/26
215
8
26.88
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 236 in 1982/83 → 278, +42 pupils.
Biggest loss in a single year: 2008/09: 242 in 2007/08 → 233, -9 pupils.
Largest single-class increase: 2nd Class in 2023/24 (27 → 31, +4).
Largest single-class decrease: 5th Class in 2024/25 (30 → 23, -7).
Largest cohort-step gain: 5th → 6th in 2025/26 (23 → 25, +2).
Largest cohort-step loss: 5th → 6th in 2024/25 (30 → 28, -2).
Overall: 168 (1974/75) → 215 (2025/26), 47.
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
30
27.7
6
Senior Infants
27
31
28.3
6
1st Class
26
31
28.0
6
2nd Class
25
31
27.8
6
3rd Class
25
30
28.2
6
4th Class
24
30
28.0
6
5th Class
23
30
27.8
6
6th Class
25
29
27.3
6
Total
168
278
233.2
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).