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
24.64
2025/26
Mainstream classes
11
2025/26
Largest class group
33
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
227
8
28.38
34
4
2007/08
242
8
30.25
34
5
2008/09
272
10
27.20
33
3
2009/10
259
10
25.90
34
4
2010/11
258
10
25.80
32
3
2011/12
256
10
25.60
34
3
2012/13
259
9
28.78
35
5
2013/14
263
10
26.30
35
5
2014/15
266
10
26.60
33
3
2015/16
273
10
27.30
36
4
2016/17
270
10
27.00
37
4
2017/18
255
10
25.50
29
0
2019/20
247
10
24.70
30
1
2020/21
242
9
26.89
29
0
2021/22
246
9
27.33
34
4
2022/23
249
10
24.90
28
0
2023/24
264
10
26.40
30
1
2024/25
261
11
23.73
32
3
2025/26
271
11
24.64
33
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2008/09: 245 in 2007/08 → 275, +30 pupils.
Biggest loss in a single year: 1998/99: 270 in 1997/98 → 238, -32 pupils.
Largest single-class increase: Junior Infants in 2021/22 (25 → 39, +14).
Largest single-class decrease: 3rd Class in 2021/22 (37 → 24, -13).
Largest cohort-step gain: JI → SI in 2023/24 (35 → 41, +6).
Largest cohort-step loss: SI → 1st in 2024/25 (41 → 38, -3).
Overall: 307 (1982/83) → 271 (2025/26), -36.
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
25
39
32.5
6
Senior Infants
25
41
33.2
6
1st Class
25
39
31.2
6
2nd Class
24
39
30.5
6
3rd Class
24
41
30.7
6
4th Class
26
38
30.8
6
5th Class
28
39
32.0
6
6th Class
30
43
34.7
6
Total
211
320
257.5
35
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).