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
24.38
2025/26
Mainstream classes
8
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
1
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
205
8
25.62
29
0
2007/08
240
9
26.67
29
0
2008/09
235
9
26.11
30
1
2009/10
238
9
26.44
34
1
2010/11
222
9
24.67
30
2
2011/12
232
9
25.78
32
3
2012/13
237
9
26.33
32
4
2013/14
237
9
26.33
32
3
2014/15
240
9
26.67
32
2
2015/16
237
9
26.33
32
2
2016/17
237
9
26.33
33
2
2017/18
229
9
25.44
33
2
2019/20
227
9
25.22
31
1
2020/21
229
9
25.44
31
2
2021/22
239
9
26.56
33
3
2022/23
229
9
25.44
32
2
2023/24
214
8
26.75
34
1
2024/25
214
8
26.75
35
1
2025/26
195
8
24.38
31
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 205 in 2006/07 → 240, +35 pupils.
Biggest loss in a single year: 2003/04: 198 in 2002/03 → 165, -33 pupils.
Largest single-class increase: 5th Class in 2021/22 (25 → 38, +13).
Largest single-class decrease: 4th Class in 2021/22 (39 → 28, -11).
Largest cohort-step gain: JI → SI in 2021/22 (29 → 31, +2).
Largest cohort-step loss: 3rd → 4th in 2025/26 (27 → 23, -4).
Overall: 199 (1993/94) → 201 (2025/26), 2.
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
19
33
26.8
6
Senior Infants
19
32
27.3
6
1st Class
19
34
27.8
6
2nd Class
24
35
29.2
6
3rd Class
25
32
28.2
6
4th Class
23
39
27.8
6
5th Class
23
38
27.8
6
6th Class
20
35
26.0
6
Total
165
240
218.5
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).