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
25.22
2025/26
Mainstream classes
9
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
4
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
232
9
25.78
32
2
2007/08
231
9
25.67
31
3
2008/09
244
9
27.11
34
4
2009/10
247
9
27.44
33
5
2010/11
247
9
27.44
33
5
2011/12
245
9
27.22
32
5
2012/13
246
9
27.33
32
5
2013/14
246
9
27.33
32
4
2014/15
246
9
27.33
32
5
2015/16
253
9
28.11
32
7
2016/17
244
9
27.11
32
7
2017/18
240
9
26.67
32
5
2019/20
232
9
25.78
30
2
2020/21
231
9
25.67
31
3
2021/22
225
9
25.00
30
2
2022/23
226
9
25.11
30
1
2023/24
233
8
29.12
30
4
2024/25
227
8
28.38
30
2
2025/26
227
9
25.22
31
4
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 141 in 1983/84 → 273, +132 pupils.
Biggest loss in a single year: 1999/00: 271 in 1998/99 → 242, -29 pupils.
Largest single-class increase: 4th Class in 2021/22 (27 → 30, +3).
Largest single-class decrease: Junior Infants in 2024/25 (30 → 24, -6).
Largest cohort-step gain: JI → SI in 2022/23 (26 → 28, +2).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (30 → 28, -2).
Overall: 60 (1981/82) → 227 (2025/26), 167.
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
23
31
28.3
6
1st Class
27
30
28.8
6
2nd Class
27
30
28.7
6
3rd Class
27
30
28.5
6
4th Class
27
30
28.2
6
5th Class
27
31
29.2
6
6th Class
27
30
28.8
6
Total
60
286
232.5
36
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).