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
25.50
2025/26
Mainstream classes
8
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
137
5
27.40
33
1
2007/08
144
5
28.80
35
2
2008/09
144
6
24.00
27
0
2009/10
151
5
30.20
35
4
2010/11
156
6
26.00
35
2
2011/12
159
6
26.50
29
0
2012/13
164
6
27.33
33
4
2013/14
164
6
27.33
32
2
2014/15
165
6
27.50
31
3
2015/16
168
6
28.00
32
2
2016/17
166
6
27.67
36
3
2017/18
173
6
28.83
35
2
2019/20
192
7
27.43
35
3
2020/21
194
7
27.71
35
3
2021/22
204
8
25.50
31
1
2022/23
208
8
26.00
32
1
2023/24
201
8
25.12
29
0
2024/25
207
8
25.88
30
3
2025/26
204
8
25.50
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 122 in 2004/05 → 135, +13 pupils.
Biggest loss in a single year: 2023/24: 208 in 2022/23 → 201, -7 pupils.
Largest single-class increase: 4th Class in 2022/23 (22 → 32, +10).
Largest single-class decrease: 5th Class in 2022/23 (29 → 23, -6).
Largest cohort-step gain: SI → 1st in 2021/22 (24 → 28, +4).
Largest cohort-step loss: 4th → 5th in 2023/24 (32 → 29, -3).
Overall: 128 (1999/00) → 204 (2025/26), 76.
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
18
30
23.2
6
Senior Infants
21
29
24.0
6
1st Class
19
28
24.7
6
2nd Class
17
30
25.0
6
3rd Class
23
31
26.7
6
4th Class
22
32
27.2
6
5th Class
21
30
26.8
6
6th Class
21
30
25.5
6
Total
122
208
162.8
27
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).