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
25.53
2025/26
Mainstream classes
19
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
9
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
442
16
27.62
32
6
2007/08
456
16
28.50
33
8
2008/09
462
16
28.88
33
9
2009/10
472
16
29.50
32
10
2010/11
489
17
28.76
32
10
2011/12
487
18
27.06
32
6
2012/13
491
18
27.28
29
0
2013/14
488
18
27.11
31
2
2014/15
489
18
27.17
31
6
2015/16
488
18
27.11
31
11
2016/17
484
18
26.89
31
10
2017/18
484
18
26.89
31
10
2019/20
484
18
26.89
31
11
2020/21
488
18
27.11
32
10
2021/22
484
19
25.47
31
8
2022/23
481
19
25.32
31
7
2023/24
477
19
25.11
31
8
2024/25
488
19
25.68
31
9
2025/26
485
19
25.53
31
9
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 405 in 1983/84 → 442, +37 pupils.
Biggest loss in a single year: 2001/02: 427 in 2000/01 → 404, -23 pupils.
Largest single-class increase: 6th Class in 2024/25 (57 → 61, +4).
Largest single-class decrease: 6th Class in 2023/24 (62 → 57, -5).
Largest cohort-step gain: 1st → 2nd in 2024/25 (59 → 62, +3).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (62 → 60, -2).
Overall: 369 (1974/75) → 485 (2025/26), 116.
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
57
60
59.2
6
Senior Infants
59
60
59.8
6
1st Class
59
62
60.7
6
2nd Class
61
62
61.5
6
3rd Class
58
62
60.7
6
4th Class
58
62
60.7
6
5th Class
58
62
60.7
6
6th Class
57
63
60.7
6
Total
369
491
441.6
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).