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
19.20
2025/26
Mainstream classes
15
2025/26
Largest class group
25
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
221
11
20.09
24
0
2007/08
228
11
20.73
27
0
2008/09
228
11
20.73
26
0
2009/10
206
11
18.73
29
0
2010/11
231
11
21.00
26
0
2011/12
232
11
21.09
26
0
2012/13
234
11
21.27
25
0
2013/14
232
11
21.09
26
0
2014/15
239
11
21.73
30
1
2015/16
227
11
20.64
26
0
2016/17
211
11
19.18
22
0
2017/18
209
10
20.90
23
0
2019/20
227
11
20.64
26
0
2020/21
233
11
21.18
24
0
2021/22
249
12
20.75
23
0
2022/23
299
13
23.00
26
0
2023/24
298
14
21.29
23
0
2024/25
292
15
19.47
21
0
2025/26
288
15
19.20
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 249 in 2021/22 → 299, +50 pupils.
Biggest loss in a single year: 2003/04: 248 in 2002/03 → 226, -22 pupils.
Largest single-class increase: 3rd Class in 2022/23 (21 → 50, +29).
Largest single-class decrease: 1st Class in 2023/24 (48 → 40, -8).
Largest cohort-step gain: 1st → 2nd in 2022/23 (42 → 50, +8).
Largest cohort-step loss: 3rd → 4th in 2024/25 (44 → 36, -8).
Overall: 296 (1996/97) → 288 (2025/26), -8.
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
32
47
40.5
6
Senior Infants
31
45
40.2
6
1st Class
38
48
42.0
6
2nd Class
22
50
39.5
6
3rd Class
20
50
35.3
6
4th Class
20
44
30.7
6
5th Class
16
42
25.3
6
6th Class
18
36
23.0
6
Total
206
299
247.1
30
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).