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
22.17
2025/26
Mainstream classes
12
2025/26
Largest class group
34
2025/26
Classes with 30+ pupils
2
2025/26
Class group metrics trend
Class group metrics by year
Year
Mainstream class pupils
Mainstream classes
Average class size
Largest class
Classes 30+
2013/14
6
1
6.00
6
0
2014/15
27
2
13.50
20
0
2015/16
52
2
26.00
27
0
2016/17
81
3
27.00
33
1
2017/18
102
4
25.50
28
0
2019/20
170
7
24.29
31
1
2020/21
195
8
24.38
29
0
2021/22
216
9
24.00
34
1
2022/23
233
10
23.30
31
1
2023/24
252
11
22.91
29
0
2024/25
255
11
23.18
34
1
2025/26
266
12
22.17
34
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 130 in 2018/19 → 170, +40 pupils.
Largest single-class increase: 1st Class in 2021/22 (27 → 41, +14).
Largest single-class decrease: Senior Infants in 2021/22 (42 → 25, -17).
Largest cohort-step gain: JI → SI in 2023/24 (41 → 42, +1).
Largest cohort-step loss: 1st → 2nd in 2025/26 (41 → 38, -3).
Overall: 6 (2013/14) → 278 (2025/26), 272.
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
27
46
39.2
6
Senior Infants
25
47
38.7
6
1st Class
24
47
35.8
6
2nd Class
24
38
31.2
6
3rd Class
22
37
28.8
6
4th Class
20
34
25.8
6
5th Class
12
31
23.7
6
6th Class
8
28
18.7
6
Total
6
278
155.3
13
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).