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
24.75
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
234
8
29.25
31
4
2007/08
227
8
28.38
30
2
2008/09
235
8
29.38
30
5
2009/10
231
8
28.88
30
2
2010/11
228
8
28.50
30
1
2011/12
225
8
28.12
29
0
2012/13
222
8
27.75
30
1
2013/14
219
8
27.38
29
0
2014/15
219
8
27.38
28
0
2015/16
219
8
27.38
30
1
2016/17
219
8
27.38
30
2
2017/18
220
8
27.50
30
2
2019/20
220
8
27.50
29
0
2020/21
219
8
27.38
30
1
2021/22
216
8
27.00
28
0
2022/23
209
8
26.12
28
0
2023/24
198
8
24.75
29
0
2024/25
202
8
25.25
30
1
2025/26
198
8
24.75
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 178 in 1983/84 → 201, +23 pupils.
Biggest loss in a single year: 1994/95: 201 in 1993/94 → 184, -17 pupils.
Largest single-class increase: Junior Infants in 2024/25 (16 → 29, +13).
Largest single-class decrease: Senior Infants in 2024/25 (25 → 15, -10).
Largest cohort-step gain: 5th → 6th in 2025/26 (26 → 29, +3).
Largest cohort-step loss: 3rd → 4th in 2021/22 (29 → 26, -3).
Overall: 131 (1974/75) → 198 (2025/26), 67.
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
29
24.2
6
Senior Infants
15
28
24.5
6
1st Class
15
29
24.2
6
2nd Class
22
30
26.7
6
3rd Class
22
30
27.0
6
4th Class
23
28
25.8
6
5th Class
22
29
26.5
6
6th Class
26
30
28.2
6
Total
131
235
203.1
43
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).