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
24.31
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+
2012/13
362
13
27.85
31
4
2013/14
378
13
29.08
32
6
2014/15
394
14
28.14
32
4
2015/16
406
16
25.38
31
3
2016/17
412
16
25.75
31
2
2017/18
412
16
25.75
31
3
2019/20
417
16
26.06
31
4
2020/21
398
16
24.88
31
3
2021/22
385
16
24.06
31
2
2022/23
397
16
24.81
31
2
2023/24
419
16
26.19
32
4
2024/25
398
17
23.41
26
0
2025/26
389
16
24.31
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2023/24: 401 in 2022/23 → 424, +23 pupils.
Biggest loss in a single year: 2024/25: 424 in 2023/24 → 404, -20 pupils.
Largest single-class increase: 6th Class in 2023/24 (48 → 61, +13).
Largest single-class decrease: 3rd Class in 2022/23 (62 → 43, -19).
Largest cohort-step gain: 4th → 5th in 2022/23 (52 → 58, +6).
Largest cohort-step loss: SI → 1st in 2024/25 (51 → 48, -3).
Overall: 363 (2012/13) → 395 (2025/26), 32.
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
40
51
45.5
6
Senior Infants
41
51
45.7
6
1st Class
41
53
46.5
6
2nd Class
42
58
49.3
6
3rd Class
43
62
51.5
6
4th Class
46
61
50.8
6
5th Class
46
62
53.0
6
6th Class
48
63
56.3
6
Total
363
424
402.7
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).