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
23.12
2025/26
Mainstream classes
17
2025/26
Largest class group
29
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+
2007/08
368
15
24.53
29
0
2008/09
386
15
25.73
30
2
2009/10
414
15
27.60
32
6
2010/11
406
15
27.07
34
7
2011/12
419
15
27.93
32
6
2012/13
444
16
27.75
34
6
2013/14
445
16
27.81
33
5
2014/15
446
16
27.88
32
7
2015/16
460
16
28.75
33
12
2016/17
449
17
26.41
33
8
2017/18
452
17
26.59
33
7
2019/20
451
17
26.53
32
3
2020/21
455
18
25.28
32
3
2021/22
436
18
24.22
30
1
2022/23
420
17
24.71
30
2
2023/24
421
17
24.76
30
1
2024/25
408
17
24.00
29
0
2025/26
393
17
23.12
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2009/10: 386 in 2008/09 → 414, +28 pupils.
Biggest loss in a single year: 2021/22: 455 in 2020/21 → 436, -19 pupils.
Largest single-class increase: Senior Infants in 2021/22 (52 → 67, +15).
Largest single-class decrease: Senior Infants in 2022/23 (67 → 44, -23).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (47 → 54, +7).
Largest cohort-step loss: SI → 1st in 2024/25 (49 → 46, -3).
Overall: 368 (2007/08) → 398 (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
41
65
48.5
6
Senior Infants
44
67
51.2
6
1st Class
45
65
50.7
6
2nd Class
43
66
50.0
6
3rd Class
46
64
53.0
6
4th Class
47
64
55.7
6
5th Class
51
62
56.0
6
6th Class
54
69
59.8
6
Total
368
460
428.8
19
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).