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
17.50
2025/26
Mainstream classes
14
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+
2012/13
346
18
19.22
26
0
2013/14
354
18
19.67
26
0
2014/15
353
18
19.61
25
0
2015/16
355
18
19.72
26
0
2016/17
342
18
19.00
25
0
2017/18
322
17
18.94
24
0
2019/20
312
16
19.50
26
0
2020/21
280
16
17.50
27
0
2021/22
281
15
18.73
22
0
2022/23
257
15
17.13
23
0
2023/24
240
15
16.00
23
0
2024/25
243
14
17.36
23
0
2025/26
245
14
17.50
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 346 in 2012/13 → 354, +8 pupils.
Biggest loss in a single year: 2020/21: 312 in 2019/20 → 280, -32 pupils.
Largest single-class increase: 6th Class in 2025/26 (29 → 46, +17).
Largest single-class decrease: Junior Infants in 2022/23 (38 → 19, -19).
Largest cohort-step gain: SI → 1st in 2022/23 (31 → 34, +3).
Largest cohort-step loss: 1st → 2nd in 2023/24 (34 → 27, -7).
Overall: 346 (2012/13) → 256 (2025/26), -90.
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
19
38
29.5
6
Senior Infants
20
39
31.5
6
1st Class
19
49
34.5
6
2nd Class
22
43
31.8
6
3rd Class
26
45
33.3
6
4th Class
27
45
32.8
6
5th Class
27
46
33.8
6
6th Class
25
46
33.8
6
Total
246
355
305.8
14
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).