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
22.43
2025/26
Mainstream classes
7
2025/26
Largest class group
31
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
115
4
28.75
34
2
2007/08
132
5
26.40
34
1
2008/09
150
6
25.00
29
0
2009/10
159
6
26.50
33
1
2010/11
179
7
25.57
33
1
2011/12
163
7
23.29
28
0
2012/13
175
6
29.17
32
4
2013/14
178
7
25.43
30
1
2014/15
187
7
26.71
32
2
2015/16
183
7
26.14
32
2
2016/17
175
7
25.00
31
1
2017/18
171
7
24.43
30
1
2019/20
165
8
20.62
30
1
2020/21
169
8
21.12
30
1
2021/22
154
8
19.25
29
0
2022/23
147
8
18.38
22
0
2023/24
160
7
22.86
32
2
2024/25
150
7
21.43
29
0
2025/26
157
7
22.43
31
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 115 in 2006/07 → 135, +20 pupils.
Biggest loss in a single year: 1993/94: 156 in 1982/83 → 100, -56 pupils.
Largest single-class increase: 1st Class in 2025/26 (17 → 33, +16).
Largest single-class decrease: Junior Infants in 2024/25 (32 → 20, -12).
Largest cohort-step gain: SI → 1st in 2025/26 (28 → 33, +5).
Largest cohort-step loss: JI → SI in 2024/25 (32 → 28, -4).
Overall: 146 (1975/76) → 175 (2025/26), 29.
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
32
19.5
6
Senior Infants
13
28
19.7
6
1st Class
16
33
20.8
6
2nd Class
13
21
17.5
6
3rd Class
13
21
17.5
6
4th Class
16
23
19.3
6
5th Class
17
30
22.5
6
6th Class
17
29
22.5
6
Total
62
187
137.0
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).