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
23.00
2025/26
Mainstream classes
11
2025/26
Largest class group
32
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+
2008/09
223
9
24.78
31
1
2009/10
207
9
23.00
30
1
2010/11
206
9
22.89
28
0
2011/12
207
9
23.00
30
1
2012/13
206
9
22.89
30
2
2013/14
196
9
21.78
30
1
2014/15
207
7
29.57
36
4
2015/16
212
8
26.50
34
2
2016/17
225
8
28.12
35
2
2017/18
225
8
28.12
34
2
2019/20
232
9
25.78
34
1
2020/21
226
9
25.11
31
1
2021/22
245
10
24.50
33
3
2022/23
260
10
26.00
33
3
2023/24
256
11
23.27
32
2
2024/25
251
11
22.82
31
2
2025/26
253
11
23.00
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2021/22: 232 in 2020/21 → 251, +19 pupils.
Biggest loss in a single year: 2009/10: 223 in 2008/09 → 207, -16 pupils.
Largest single-class increase: 4th Class in 2023/24 (27 → 48, +21).
Largest single-class decrease: 4th Class in 2024/25 (48 → 30, -18).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (38 → 44, +6).
Largest cohort-step loss: JI → SI in 2022/23 (34 → 29, -5).
Overall: 223 (2008/09) → 265 (2025/26), 42.
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
21
42
31.5
6
Senior Infants
22
40
29.7
6
1st Class
24
38
31.3
6
2nd Class
26
39
32.3
6
3rd Class
24
44
31.7
6
4th Class
27
48
32.2
6
5th Class
27
43
32.5
6
6th Class
24
48
32.8
6
Total
196
268
229.3
18
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).