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
19.29
2025/26
Mainstream classes
7
2025/26
Largest class group
27
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+
2007/08
20
2
10.00
10
0
2008/09
40
2
20.00
21
0
2009/10
60
3
20.00
23
0
2010/11
92
4
23.00
28
0
2011/12
131
5
26.20
32
2
2012/13
163
6
27.17
33
3
2013/14
189
7
27.00
34
3
2014/15
212
8
26.50
34
4
2015/16
213
8
26.62
35
2
2016/17
219
8
27.38
34
2
2017/18
218
8
27.25
34
4
2019/20
200
8
25.00
31
2
2020/21
180
8
22.50
30
1
2021/22
172
8
21.50
31
1
2022/23
163
7
23.29
33
2
2023/24
146
7
20.86
30
1
2024/25
137
6
22.83
35
1
2025/26
135
7
19.29
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2011/12: 92 in 2010/11 → 131, +39 pupils.
Biggest loss in a single year: 2019/20: 220 in 2018/19 → 200, -20 pupils.
Largest single-class increase: Senior Infants in 2024/25 (14 → 24, +10).
Largest single-class decrease: 3rd Class in 2023/24 (26 → 13, -13).
Largest cohort-step gain: JI → SI in 2024/25 (21 → 24, +3).
Largest cohort-step loss: 3rd → 4th in 2025/26 (17 → 15, -2).
Overall: 20 (2007/08) → 145 (2025/26), 125.
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
21
16.2
6
Senior Infants
14
24
17.7
6
1st Class
15
25
19.3
6
2nd Class
15
25
18.5
6
3rd Class
13
26
19.7
6
4th Class
13
30
21.0
6
5th Class
14
31
22.8
6
6th Class
15
32
25.5
6
Total
20
220
155.0
19
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).