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
22.50
2025/26
Mainstream classes
8
2025/26
Largest class group
29
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
138
5
27.60
30
2
2007/08
145
5
29.00
34
2
2008/09
140
6
23.33
32
1
2009/10
149
5
29.80
33
4
2010/11
165
6
27.50
33
2
2011/12
183
7
26.14
34
2
2012/13
193
7
27.57
34
3
2013/14
202
7
28.86
33
4
2014/15
210
7
30.00
35
3
2015/16
212
8
26.50
34
1
2016/17
204
8
25.50
33
2
2017/18
203
8
25.38
33
2
2019/20
193
8
24.12
32
1
2020/21
182
8
22.75
28
0
2021/22
170
7
24.29
30
1
2022/23
167
7
23.86
31
2
2023/24
162
8
20.25
27
0
2024/25
182
7
26.00
33
2
2025/26
180
8
22.50
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 174 in 2023/24 → 193, +19 pupils.
Biggest loss in a single year: 1993/94: 185 in 1982/83 → 155, -30 pupils.
Largest single-class increase: 4th Class in 2022/23 (12 → 24, +12).
Largest single-class decrease: 4th Class in 2021/22 (24 → 12, -12).
Largest cohort-step gain: SI → 1st in 2024/25 (18 → 22, +4).
Largest cohort-step loss: 3rd → 4th in 2021/22 (15 → 12, -3).
Overall: 158 (1975/76) → 194 (2025/26), 36.
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
18
24
21.5
6
Senior Infants
18
26
21.5
6
1st Class
18
30
23.2
6
2nd Class
18
27
22.5
6
3rd Class
15
28
21.7
6
4th Class
12
30
21.7
6
5th Class
13
27
22.0
6
6th Class
12
28
22.7
6
Total
128
216
168.5
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).