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
23.00
2025/26
Mainstream classes
6
2025/26
Largest class group
28
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
144
5
28.80
33
3
2007/08
157
6
26.17
29
0
2008/09
161
6
26.83
30
1
2009/10
161
6
26.83
33
2
2010/11
153
6
25.50
31
1
2011/12
146
6
24.33
33
2
2012/13
145
6
24.17
29
0
2013/14
145
6
24.17
29
0
2014/15
157
6
26.17
29
0
2015/16
160
6
26.67
29
0
2016/17
153
6
25.50
28
0
2017/18
149
6
24.83
27
0
2019/20
158
6
26.33
30
1
2020/21
160
6
26.67
29
0
2021/22
166
6
27.67
32
2
2022/23
155
6
25.83
30
1
2023/24
156
6
26.00
28
0
2024/25
161
6
26.83
29
0
2025/26
138
6
23.00
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 144 in 2006/07 → 157, +13 pupils.
Biggest loss in a single year: 2025/26: 161 in 2024/25 → 138, -23 pupils.
Largest single-class increase: 6th Class in 2021/22 (18 → 32, +14).
Largest single-class decrease: 6th Class in 2022/23 (32 → 20, -12).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (20 → 23, +3).
Largest cohort-step loss: 1st → 2nd in 2025/26 (21 → 18, -3).
Overall: 181 (1982/83) → 138 (2025/26), -43.
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
12
18
16.5
6
Senior Infants
14
20
17.3
6
1st Class
17
22
19.0
6
2nd Class
18
22
19.8
6
3rd Class
15
24
19.8
6
4th Class
15
24
20.3
6
5th Class
14
30
21.8
6
6th Class
14
32
21.3
6
Total
132
188
156.4
35
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).