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
19.17
2025/26
Mainstream classes
12
2025/26
Largest class group
23
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+
2011/12
36
2
18.00
18
0
2012/13
66
3
22.00
23
0
2013/14
100
4
25.00
29
0
2014/15
128
5
25.60
29
0
2015/16
151
6
25.17
31
1
2016/17
195
8
24.38
32
1
2017/18
236
10
23.60
34
1
2019/20
325
12
27.08
32
4
2020/21
341
13
26.23
31
4
2021/22
336
13
25.85
32
4
2022/23
344
14
24.57
31
2
2023/24
269
14
19.21
24
0
2024/25
277
12
23.08
27
0
2025/26
230
12
19.17
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 236 in 2017/18 → 304, +68 pupils.
Biggest loss in a single year: 2023/24: 344 in 2022/23 → 273, -71 pupils.
Largest single-class increase: 5th Class in 2024/25 (35 → 51, +16).
Largest single-class decrease: 2nd Class in 2023/24 (54 → 26, -28).
Largest cohort-step gain: JI → SI in 2024/25 (20 → 27, +7).
Largest cohort-step loss: JI → SI in 2023/24 (46 → 30, -16).
Overall: 36 (2011/12) → 242 (2025/26), 206.
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
20
46
30.2
6
Senior Infants
24
53
34.5
6
1st Class
24
58
39.2
6
2nd Class
26
54
41.0
6
3rd Class
29
54
41.2
6
4th Class
30
48
39.7
6
5th Class
31
51
39.7
6
6th Class
31
45
37.8
6
Total
36
344
224.0
15
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).