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
14
2025/26
Largest class group
33
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+
2011/12
22
2
11.00
11
0
2012/13
61
3
20.33
29
0
2013/14
95
4
23.75
29
0
2014/15
151
7
21.57
27
0
2015/16
158
8
19.75
23
0
2016/17
181
10
18.10
20
0
2017/18
213
12
17.75
22
0
2019/20
298
14
21.29
24
0
2020/21
331
15
22.07
26
0
2021/22
353
16
22.06
27
0
2022/23
329
16
20.56
25
0
2023/24
306
16
19.12
24
0
2024/25
298
14
21.29
29
0
2025/26
314
14
22.43
33
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2014/15: 95 in 2013/14 → 151, +56 pupils.
Biggest loss in a single year: 2023/24: 356 in 2022/23 → 337, -19 pupils.
Largest single-class increase: 3rd Class in 2025/26 (30 → 53, +23).
Largest single-class decrease: Junior Infants in 2023/24 (51 → 36, -15).
Largest cohort-step gain: 5th → 6th in 2025/26 (37 → 46, +9).
Largest cohort-step loss: SI → 1st in 2022/23 (45 → 37, -8).
Overall: 22 (2011/12) → 348 (2025/26), 326.
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
33
53
43.5
6
Senior Infants
38
50
45.0
6
1st Class
37
50
43.5
6
2nd Class
31
51
42.0
6
3rd Class
30
53
41.3
6
4th Class
34
51
41.2
6
5th Class
37
50
42.2
6
6th Class
23
48
40.3
6
Total
22
372
238.9
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).