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
25.86
2025/26
Mainstream classes
7
2025/26
Largest class group
36
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
130
5
26.00
32
2
2007/08
127
5
25.40
28
0
2008/09
133
5
26.60
32
1
2009/10
135
5
27.00
31
2
2010/11
130
5
26.00
32
1
2011/12
134
5
26.80
32
1
2012/13
153
6
25.50
34
1
2013/14
149
6
24.83
29
0
2014/15
151
6
25.17
30
2
2015/16
166
6
27.67
34
1
2016/17
173
6
28.83
34
2
2017/18
175
7
25.00
32
2
2019/20
195
7
27.86
34
2
2020/21
187
8
23.38
32
1
2021/22
197
7
28.14
34
3
2022/23
201
8
25.12
34
2
2023/24
198
8
24.75
34
2
2024/25
178
8
22.25
29
0
2025/26
181
7
25.86
36
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1982/83: 239 in 1981/82 → 264, +25 pupils.
Biggest loss in a single year: 1994/95: 249 in 1993/94 → 220, -29 pupils.
Largest single-class increase: 3rd Class in 2022/23 (21 → 30, +9).
Largest single-class decrease: 4th Class in 2022/23 (34 → 22, -12).
Largest cohort-step gain: 4th → 5th in 2025/26 (20 → 23, +3).
Largest cohort-step loss: JI → SI in 2024/25 (21 → 17, -4).
Overall: 181 (1974/75) → 187 (2025/26), 6.
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
19
25
22.3
6
Senior Infants
17
25
21.7
6
1st Class
18
28
22.5
6
2nd Class
17
28
22.8
6
3rd Class
21
32
25.3
6
4th Class
20
34
26.2
6
5th Class
19
34
26.0
6
6th Class
15
34
24.5
6
Total
127
272
182.3
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).