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
22.75
2025/26
Mainstream classes
16
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
230
9
25.56
31
1
2007/08
230
9
25.56
31
1
2008/09
243
9
27.00
34
3
2009/10
259
10
25.90
36
3
2010/11
273
10
27.30
36
4
2011/12
286
11
26.00
36
4
2012/13
289
12
24.08
36
3
2013/14
309
12
25.75
37
3
2014/15
298
12
24.83
27
0
2015/16
290
12
24.17
34
1
2016/17
299
12
24.92
30
1
2017/18
316
12
26.33
31
2
2019/20
331
13
25.46
33
5
2020/21
334
14
23.86
32
2
2021/22
357
15
23.80
29
0
2022/23
361
15
24.07
35
1
2023/24
361
16
22.56
28
0
2024/25
362
16
22.62
28
0
2025/26
364
16
22.75
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 193 in 2004/05 → 232, +39 pupils.
Biggest loss in a single year: 2003/04: 204 in 2002/03 → 193, -11 pupils.
Largest single-class increase: 5th Class in 2025/26 (30 → 56, +26).
Largest single-class decrease: 5th Class in 2024/25 (47 → 30, -17).
Largest cohort-step gain: 1st → 2nd in 2025/26 (41 → 48, +7).
Largest cohort-step loss: 4th → 5th in 2024/25 (34 → 30, -4).
Overall: 28 (1994/95) → 388 (2025/26), 360.
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
44
54
48.3
6
Senior Infants
42
55
48.3
6
1st Class
34
54
44.8
6
2nd Class
36
53
47.5
6
3rd Class
35
54
46.8
6
4th Class
34
52
43.3
6
5th Class
30
56
42.8
6
6th Class
32
47
39.7
6
Total
28
388
254.3
32
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).