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
22.19
2025/26
Mainstream classes
16
2025/26
Largest class group
27
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
233
8
29.12
31
5
2007/08
225
8
28.12
30
2
2008/09
226
8
28.25
30
2
2009/10
221
8
27.62
30
1
2010/11
218
8
27.25
29
0
2011/12
214
8
26.75
28
0
2012/13
246
9
27.33
28
0
2013/14
281
10
28.10
30
1
2014/15
290
11
26.36
30
3
2015/16
323
12
26.92
30
1
2016/17
353
13
27.15
30
2
2017/18
373
14
26.64
32
1
2019/20
402
16
25.12
28
0
2020/21
392
16
24.50
27
0
2021/22
386
16
24.12
26
0
2022/23
374
16
23.38
25
0
2023/24
363
16
22.69
24
0
2024/25
363
16
22.69
26
0
2025/26
355
16
22.19
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1998/99: 123 in 1997/98 → 160, +37 pupils.
Biggest loss in a single year: 2022/23: 404 in 2021/22 → 392, -12 pupils.
Largest single-class increase: 3rd Class in 2024/25 (47 → 53, +6).
Largest single-class decrease: Junior Infants in 2024/25 (45 → 31, -14).
Largest cohort-step gain: 5th → 6th in 2024/25 (44 → 51, +7).
Largest cohort-step loss: 4th → 5th in 2021/22 (54 → 50, -4).
Overall: 38 (1994/95) → 373 (2025/26), 335.
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
31
51
43.5
6
Senior Infants
34
49
45.3
6
1st Class
44
49
47.8
6
2nd Class
46
52
49.0
6
3rd Class
44
53
49.5
6
4th Class
46
54
50.3
6
5th Class
44
52
49.0
6
6th Class
47
52
49.7
6
Total
38
420
266.7
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).