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
17.33
2025/26
Mainstream classes
12
2025/26
Largest class group
27
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
186
9
20.67
25
0
2007/08
180
9
20.00
25
0
2008/09
180
9
20.00
26
0
2009/10
184
9
20.44
26
0
2010/11
186
9
20.67
27
0
2011/12
211
9
23.44
30
1
2012/13
215
9
23.89
30
1
2013/14
208
9
23.11
30
1
2014/15
207
9
23.00
31
1
2015/16
214
9
23.78
31
3
2016/17
220
9
24.44
32
3
2017/18
228
9
25.33
32
4
2019/20
222
10
22.20
30
2
2020/21
222
9
24.67
31
1
2021/22
216
10
21.60
31
1
2022/23
216
12
18.00
28
0
2023/24
212
12
17.67
28
0
2024/25
216
12
18.00
28
0
2025/26
208
12
17.33
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 185 in 1998/99 → 210, +25 pupils.
Biggest loss in a single year: 2019/20: 237 in 2018/19 → 222, -15 pupils.
Largest single-class increase: 2nd Class in 2023/24 (19 → 33, +14).
Largest single-class decrease: 5th Class in 2025/26 (31 → 17, -14).
Largest cohort-step gain: JI → SI in 2021/22 (33 → 34, +1).
Largest cohort-step loss: SI → 1st in 2021/22 (25 → 19, -6).
Overall: 205 (1993/94) → 214 (2025/26), 9.
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
22
33
28.5
6
Senior Infants
22
34
27.7
6
1st Class
19
32
26.5
6
2nd Class
19
33
27.3
6
3rd Class
18
32
27.2
6
4th Class
18
32
26.8
6
5th Class
17
31
25.0
6
6th Class
22
32
27.0
6
Total
185
237
207.1
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).