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
24.00
2025/26
Mainstream classes
20
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
499
17
29.35
33
8
2007/08
508
18
28.22
31
10
2008/09
519
19
27.32
34
7
2009/10
519
19
27.32
34
5
2010/11
499
19
26.26
34
5
2011/12
485
18
26.94
34
5
2012/13
479
17
28.18
35
4
2013/14
468
17
27.53
34
7
2014/15
442
17
26.00
31
2
2015/16
452
16
28.25
33
8
2016/17
445
17
26.18
32
4
2017/18
448
16
28.00
33
7
2019/20
445
17
26.18
31
2
2020/21
435
17
25.59
30
1
2021/22
448
17
26.35
30
1
2022/23
487
19
25.63
31
4
2023/24
483
20
24.15
30
3
2024/25
488
20
24.40
30
2
2025/26
480
20
24.00
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 418 in 2000/01 → 464, +46 pupils.
Biggest loss in a single year: 2014/15: 468 in 2013/14 → 442, -26 pupils.
Largest single-class increase: 6th Class in 2022/23 (53 → 76, +23).
Largest single-class decrease: 6th Class in 2023/24 (76 → 57, -19).
Largest cohort-step gain: 5th → 6th in 2022/23 (69 → 76, +7).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (53 → 49, -4).
Overall: 423 (1993/94) → 489 (2025/26), 66.
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
51
70
57.3
6
Senior Infants
46
73
58.5
6
1st Class
47
77
60.7
6
2nd Class
53
66
58.7
6
3rd Class
49
66
57.5
6
4th Class
52
67
59.8
6
5th Class
51
69
58.5
6
6th Class
53
76
60.7
6
Total
396
519
461.4
33
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).