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
22.00
2025/26
Mainstream classes
6
2025/26
Largest class group
33
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
201
7
28.71
36
3
2007/08
214
7
30.57
34
5
2008/09
214
8
26.75
31
2
2009/10
212
8
26.50
30
2
2010/11
228
8
28.50
32
4
2011/12
233
8
29.12
32
4
2012/13
237
9
26.33
32
5
2013/14
241
9
26.78
32
3
2014/15
236
9
26.22
34
2
2015/16
227
9
25.22
32
3
2016/17
212
8
26.50
32
3
2017/18
215
8
26.88
31
4
2019/20
202
8
25.25
33
2
2020/21
185
8
23.12
33
2
2021/22
165
8
20.62
31
1
2022/23
145
8
18.12
29
0
2023/24
149
6
24.83
29
0
2024/25
147
6
24.50
29
0
2025/26
132
6
22.00
33
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2002/03: 128 in 2001/02 → 154, +26 pupils.
Biggest loss in a single year: 2021/22: 185 in 2020/21 → 165, -20 pupils.
Largest single-class increase: 3rd Class in 2021/22 (20 → 31, +11).
Largest single-class decrease: 3rd Class in 2022/23 (31 → 17, -14).
Largest cohort-step gain: JI → SI in 2024/25 (13 → 17, +4).
Largest cohort-step loss: 3rd → 4th in 2022/23 (31 → 29, -2).
Overall: 116 (1974/75) → 138 (2025/26), 22.
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
11
19
13.3
6
Senior Infants
12
21
15.2
6
1st Class
11
21
16.3
6
2nd Class
13
31
18.7
6
3rd Class
13
31
20.0
6
4th Class
16
29
21.8
6
5th Class
19
29
24.0
6
6th Class
19
33
25.5
6
Total
101
241
158.3
43
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).