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
21.19
2025/26
Mainstream classes
16
2025/26
Largest class group
26
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+
2010/11
28
2
14.00
14
0
2011/12
88
4
22.00
29
0
2012/13
190
7
27.14
31
3
2013/14
276
10
27.60
31
5
2014/15
341
13
26.23
32
3
2015/16
427
16
26.69
30
1
2016/17
493
19
25.95
31
1
2017/18
532
20
26.60
32
3
2019/20
549
21
26.14
29
0
2020/21
511
20
25.55
28
0
2021/22
495
19
26.05
30
2
2022/23
448
18
24.89
32
2
2023/24
372
17
21.88
26
0
2024/25
352
16
22.00
27
0
2025/26
339
16
21.19
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 88 in 2011/12 → 190, +102 pupils.
Biggest loss in a single year: 2023/24: 466 in 2022/23 → 395, -71 pupils.
Largest single-class increase: Junior Infants in 2024/25 (27 → 42, +15).
Largest single-class decrease: 4th Class in 2022/23 (83 → 55, -28).
Largest cohort-step gain: SI → 1st in 2025/26 (32 → 42, +10).
Largest cohort-step loss: 1st → 2nd in 2023/24 (54 → 45, -9).
Overall: 28 (2010/11) → 362 (2025/26), 334.
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
55
41.3
6
Senior Infants
32
57
44.5
6
1st Class
39
54
46.7
6
2nd Class
38
56
47.3
6
3rd Class
43
79
55.0
6
4th Class
48
83
60.5
6
5th Class
51
79
63.0
6
6th Class
52
76
67.0
6
Total
28
554
381.8
16
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).