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
21.25
2025/26
Mainstream classes
8
2025/26
Largest class group
25
2025/26
Classes with 30+ pupils
0
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
124
8
15.50
19
0
2007/08
118
8
14.75
18
0
2008/09
119
8
14.88
18
0
2009/10
126
8
15.75
21
0
2010/11
119
7
17.00
23
0
2011/12
144
7
20.57
25
0
2012/13
149
8
18.62
24
0
2013/14
144
8
18.00
24
0
2014/15
146
8
18.25
23
0
2015/16
152
8
19.00
23
0
2016/17
157
8
19.62
25
0
2017/18
147
8
18.38
24
0
2019/20
133
8
16.62
20
0
2020/21
137
7
19.57
27
0
2021/22
142
7
20.29
25
0
2022/23
179
8
22.38
26
0
2023/24
162
10
16.20
22
0
2024/25
176
9
19.56
25
0
2025/26
170
8
21.25
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 295 in 1982/83 → 456, +161 pupils.
Biggest loss in a single year: 1995/96: 410 in 1994/95 → 362, -48 pupils.
Largest single-class increase: 4th Class in 2025/26 (16 → 28, +12).
Largest single-class decrease: 3rd Class in 2023/24 (23 → 14, -9).
Largest cohort-step gain: JI → SI in 2022/23 (18 → 24, +6).
Largest cohort-step loss: SI → 1st in 2023/24 (24 → 20, -4).
Overall: 160 (1975/76) → 182 (2025/26), 22.
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
15
22
19.3
6
Senior Infants
13
26
20.8
6
1st Class
12
25
19.7
6
2nd Class
17
24
20.8
6
3rd Class
14
25
20.3
6
4th Class
16
28
20.7
6
5th Class
17
24
20.0
6
6th Class
19
23
21.3
6
Total
141
456
209.1
40
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).