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
22.58
2025/26
Mainstream classes
12
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
3
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
238
9
26.44
32
4
2007/08
250
9
27.78
32
3
2008/09
271
10
27.10
33
4
2009/10
277
10
27.70
35
4
2010/11
287
10
28.70
38
5
2011/12
297
11
27.00
34
4
2012/13
290
11
26.36
33
4
2013/14
292
11
26.55
35
5
2014/15
290
11
26.36
33
4
2015/16
297
12
24.75
33
3
2016/17
290
11
26.36
33
3
2017/18
298
11
27.09
33
5
2019/20
301
12
25.08
36
3
2020/21
308
12
25.67
36
2
2021/22
302
15
20.13
31
1
2022/23
295
12
24.58
29
0
2023/24
283
12
23.58
33
2
2024/25
281
12
23.42
30
1
2025/26
271
12
22.58
31
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1995/96: 202 in 1994/95 → 225, +23 pupils.
Biggest loss in a single year: 1998/99: 252 in 1997/98 → 237, -15 pupils.
Largest single-class increase: 3rd Class in 2021/22 (34 → 48, +14).
Largest single-class decrease: 3rd Class in 2022/23 (48 → 40, -8).
Largest cohort-step gain: SI → 1st in 2025/26 (28 → 31, +3).
Largest cohort-step loss: 5th → 6th in 2024/25 (46 → 43, -3).
Overall: 193 (1993/94) → 271 (2025/26), 78.
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
27
37
30.2
6
Senior Infants
28
42
33.2
6
1st Class
30
42
35.2
6
2nd Class
30
46
37.5
6
3rd Class
33
48
38.7
6
4th Class
34
46
39.5
6
5th Class
31
46
38.8
6
6th Class
31
43
37.0
6
Total
193
308
269.0
33
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).