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
22.50
2025/26
Mainstream classes
16
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+
2006/07
212
8
26.50
30
1
2007/08
224
8
28.00
34
3
2008/09
265
10
26.50
31
2
2009/10
285
10
28.50
33
4
2010/11
293
10
29.30
34
6
2011/12
318
12
26.50
34
3
2012/13
349
13
26.85
35
5
2013/14
375
14
26.79
36
3
2014/15
367
15
24.47
32
3
2015/16
389
15
25.93
31
2
2016/17
373
15
24.87
31
1
2017/18
384
14
27.43
34
2
2019/20
390
15
26.00
33
1
2020/21
377
16
23.56
31
1
2021/22
364
15
24.27
31
1
2022/23
388
15
25.87
32
1
2023/24
367
16
22.94
28
0
2024/25
370
16
23.12
29
0
2025/26
360
16
22.50
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2008/09: 224 in 2007/08 → 265, +41 pupils.
Biggest loss in a single year: 2023/24: 394 in 2022/23 → 373, -21 pupils.
Largest single-class increase: 4th Class in 2022/23 (31 → 56, +25).
Largest single-class decrease: Junior Infants in 2023/24 (61 → 35, -26).
Largest cohort-step gain: JI → SI in 2022/23 (37 → 40, +3).
Largest cohort-step loss: 4th → 5th in 2023/24 (56 → 54, -2).
Overall: 86 (1975/76) → 366 (2025/26), 280.
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
30
61
42.5
6
Senior Infants
30
60
44.5
6
1st Class
35
61
47.7
6
2nd Class
41
61
51.5
6
3rd Class
31
55
46.5
6
4th Class
31
57
49.0
6
5th Class
32
57
47.3
6
6th Class
31
54
46.0
6
Total
86
394
236.8
41
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).