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
24.07
2025/26
Mainstream classes
15
2025/26
Largest class group
28
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+
2006/07
370
14
26.43
35
2
2007/08
361
14
25.79
35
1
2008/09
373
13
28.69
35
6
2009/10
381
14
27.21
32
5
2010/11
368
14
26.29
31
5
2011/12
365
14
26.07
32
3
2012/13
370
13
28.46
36
5
2013/14
371
14
26.50
31
1
2014/15
368
14
26.29
30
1
2015/16
387
14
27.64
31
2
2016/17
392
15
26.13
29
0
2017/18
403
15
26.87
33
4
2019/20
386
16
24.12
28
0
2020/21
382
16
23.88
28
0
2021/22
366
15
24.40
29
0
2022/23
384
16
24.00
30
1
2023/24
384
16
24.00
28
0
2024/25
362
16
22.62
26
0
2025/26
361
15
24.07
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1976/77: 371 in 1975/76 → 407, +36 pupils.
Biggest loss in a single year: 1993/94: 451 in 1983/84 → 377, -74 pupils.
Largest single-class increase: Senior Infants in 2023/24 (30 → 62, +32).
Largest single-class decrease: Senior Infants in 2024/25 (62 → 37, -25).
Largest cohort-step gain: SI → 1st in 2023/24 (30 → 39, +9).
Largest cohort-step loss: JI → SI in 2024/25 (40 → 37, -3).
Overall: 337 (1974/75) → 367 (2025/26), 30.
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
31
58
42.0
6
Senior Infants
30
62
42.2
6
1st Class
39
60
46.0
6
2nd Class
39
60
46.5
6
3rd Class
40
49
45.2
6
4th Class
45
56
49.5
6
5th Class
45
57
50.5
6
6th Class
47
59
52.3
6
Total
334
452
382.8
43
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).