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
23.53
2025/26
Mainstream classes
17
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+
2007/08
277
11
25.18
32
2
2008/09
283
11
25.73
29
0
2009/10
282
11
25.64
31
1
2010/11
291
11
26.45
30
1
2011/12
314
12
26.17
30
2
2012/13
322
13
24.77
30
3
2013/14
337
13
25.92
30
1
2014/15
363
14
25.93
36
2
2015/16
380
14
27.14
36
2
2016/17
407
15
27.13
34
1
2017/18
428
16
26.75
30
2
2019/20
447
16
27.94
30
1
2020/21
431
16
26.94
29
0
2021/22
417
17
24.53
28
0
2022/23
415
17
24.41
28
0
2023/24
422
17
24.82
28
0
2024/25
406
17
23.88
28
0
2025/26
400
17
23.53
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 380 in 2015/16 → 407, +27 pupils.
Biggest loss in a single year: 2020/21: 447 in 2019/20 → 431, -16 pupils.
Largest single-class increase: Senior Infants in 2023/24 (40 → 56, +16).
Largest single-class decrease: 2nd Class in 2024/25 (53 → 41, -12).
Largest cohort-step gain: 1st → 2nd in 2023/24 (44 → 53, +9).
Largest cohort-step loss: JI → SI in 2024/25 (49 → 46, -3).
Overall: 281 (2007/08) → 406 (2025/26), 125.
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
56
47.2
6
Senior Infants
40
56
46.8
6
1st Class
41
55
50.0
6
2nd Class
41
56
52.0
6
3rd Class
47
57
53.7
6
4th Class
51
56
55.0
6
5th Class
55
56
55.7
6
6th Class
55
56
55.8
6
Total
281
447
373.2
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).