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
23.20
2025/26
Mainstream classes
10
2025/26
Largest class group
30
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
223
8
27.88
35
3
2007/08
231
8
28.88
35
3
2008/09
240
8
30.00
35
4
2009/10
215
9
23.89
34
1
2010/11
199
8
24.88
33
1
2011/12
183
7
26.14
29
0
2012/13
190
7
27.14
34
2
2013/14
199
7
28.43
36
2
2014/15
204
7
29.14
38
2
2015/16
205
7
29.29
40
3
2016/17
198
8
24.75
31
2
2017/18
196
7
28.00
37
4
2019/20
202
7
28.86
35
4
2020/21
201
8
25.12
38
1
2021/22
193
8
24.12
38
1
2022/23
190
7
27.14
33
2
2023/24
192
9
21.33
29
0
2024/25
228
9
25.33
29
0
2025/26
232
10
23.20
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 198 in 2023/24 → 240, +42 pupils.
Biggest loss in a single year: 2009/10: 240 in 2008/09 → 215, -25 pupils.
Largest single-class increase: 1st Class in 2024/25 (20 → 36, +16).
Largest single-class decrease: 5th Class in 2021/22 (38 → 26, -12).
Largest cohort-step gain: 4th → 5th in 2024/25 (22 → 29, +7).
Largest cohort-step loss: 3rd → 4th in 2021/22 (27 → 24, -3).
Overall: 191 (1998/99) → 244 (2025/26), 53.
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
25.3
6
Senior Infants
17
34
25.3
6
1st Class
20
36
25.3
6
2nd Class
19
39
25.2
6
3rd Class
21
27
24.3
6
4th Class
22
27
24.5
6
5th Class
24
38
28.7
6
6th Class
26
38
29.3
6
Total
183
244
206.2
28
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).