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
25.57
2025/26
Mainstream classes
7
2025/26
Largest class group
32
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
98
4
24.50
30
1
2007/08
119
5
23.80
29
0
2008/09
130
5
26.00
34
2
2009/10
150
6
25.00
32
1
2010/11
145
6
24.17
35
1
2011/12
157
6
26.17
33
3
2012/13
173
6
28.83
32
4
2013/14
184
7
26.29
31
2
2014/15
180
7
25.71
34
2
2015/16
185
7
26.43
32
2
2016/17
188
8
23.50
29
0
2017/18
179
7
25.57
31
2
2019/20
181
7
25.86
33
2
2020/21
158
7
22.57
32
1
2021/22
153
7
21.86
29
0
2022/23
168
7
24.00
28
0
2023/24
158
7
22.57
30
1
2024/25
175
7
25.00
30
2
2025/26
179
7
25.57
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 98 in 2006/07 → 119, +21 pupils.
Biggest loss in a single year: 2020/21: 181 in 2019/20 → 158, -23 pupils.
Largest single-class increase: 6th Class in 2022/23 (10 → 24, +14).
Largest single-class decrease: Senior Infants in 2021/22 (28 → 14, -14).
Largest cohort-step gain: JI → SI in 2024/25 (15 → 20, +5).
Largest cohort-step loss: 5th → 6th in 2021/22 (16 → 10, -6).
Overall: 51 (1974/75) → 185 (2025/26), 134.
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
13
24
17.7
6
Senior Infants
14
28
20.8
6
1st Class
14
24
20.8
6
2nd Class
13
27
20.7
6
3rd Class
16
28
22.0
6
4th Class
16
29
23.2
6
5th Class
16
30
22.5
6
6th Class
10
28
19.2
6
Total
37
188
105.6
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).