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
23.42
2025/26
Mainstream classes
12
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
2
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
277
10
27.70
34
2
2007/08
286
10
28.60
32
2
2008/09
293
11
26.64
30
1
2009/10
301
11
27.36
31
1
2010/11
280
11
25.45
28
0
2011/12
276
10
27.60
33
2
2012/13
282
10
28.20
31
1
2013/14
284
10
28.40
34
3
2014/15
294
10
29.40
34
4
2015/16
286
11
26.00
33
2
2016/17
298
11
27.09
30
3
2017/18
302
11
27.45
33
5
2019/20
292
11
26.55
31
3
2020/21
271
11
24.64
30
1
2021/22
274
11
24.91
31
1
2022/23
275
11
25.00
30
2
2023/24
295
12
24.58
32
2
2024/25
284
12
23.67
32
2
2025/26
281
12
23.42
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2002/03: 227 in 2001/02 → 252, +25 pupils.
Biggest loss in a single year: 2010/11: 301 in 2009/10 → 280, -21 pupils.
Largest single-class increase: 5th Class in 2022/23 (26 → 47, +21).
Largest single-class decrease: 5th Class in 2021/22 (41 → 26, -15).
Largest cohort-step gain: 1st → 2nd in 2023/24 (27 → 31, +4).
Largest cohort-step loss: 3rd → 4th in 2024/25 (38 → 33, -5).
Overall: 257 (1994/95) → 281 (2025/26), 24.
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
40
34.0
6
Senior Infants
26
44
35.5
6
1st Class
27
43
35.7
6
2nd Class
31
40
35.7
6
3rd Class
30
46
37.0
6
4th Class
28
47
33.8
6
5th Class
26
47
34.5
6
6th Class
25
46
33.8
6
Total
227
302
271.2
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).