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
26.62
2025/26
Mainstream classes
8
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
2
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
185
7
26.43
32
2
2007/08
191
7
27.29
36
1
2008/09
199
7
28.43
35
2
2009/10
192
7
27.43
33
2
2010/11
199
7
28.43
32
3
2011/12
215
7
30.71
34
4
2012/13
209
8
26.12
28
0
2013/14
215
8
26.88
31
2
2014/15
221
8
27.62
33
2
2015/16
225
8
28.12
34
2
2016/17
220
8
27.50
33
2
2017/18
215
8
26.88
33
2
2019/20
221
8
27.62
34
3
2020/21
223
8
27.88
33
3
2021/22
216
8
27.00
33
1
2022/23
217
8
27.12
31
1
2023/24
219
8
27.38
32
2
2024/25
217
8
27.12
31
3
2025/26
213
8
26.62
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1981/82: 94 in 1980/81 → 114, +20 pupils.
Biggest loss in a single year: 1993/94: 109 in 1982/83 → 98, -11 pupils.
Largest single-class increase: 3rd Class in 2022/23 (24 → 31, +7).
Largest single-class decrease: Senior Infants in 2021/22 (30 → 23, -7).
Largest cohort-step gain: 3rd → 4th in 2022/23 (24 → 28, +4).
Largest cohort-step loss: JI → SI in 2024/25 (26 → 24, -2).
Overall: 81 (1975/76) → 213 (2025/26), 132.
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
23
27
24.7
6
Senior Infants
23
30
25.2
6
1st Class
23
29
26.2
6
2nd Class
24
29
26.8
6
3rd Class
24
31
26.8
6
4th Class
24
32
27.8
6
5th Class
26
33
29.3
6
6th Class
27
33
30.7
6
Total
81
225
167.4
41
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).