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
19.00
2025/26
Mainstream classes
8
2025/26
Largest class group
20
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
86
6
14.33
19
0
2007/08
93
7
13.29
18
0
2008/09
102
6
17.00
23
0
2009/10
113
6
18.83
24
0
2010/11
123
7
17.57
21
0
2011/12
128
8
16.00
20
0
2012/13
136
8
17.00
22
0
2013/14
130
8
16.25
22
0
2014/15
143
8
17.88
22
0
2015/16
148
8
18.50
22
0
2016/17
158
8
19.75
22
0
2017/18
157
8
19.62
22
0
2019/20
162
8
20.25
22
0
2020/21
159
8
19.88
22
0
2021/22
163
8
20.38
21
0
2022/23
163
8
20.38
22
0
2023/24
158
8
19.75
21
0
2024/25
153
8
19.12
20
0
2025/26
152
8
19.00
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1998/99: 117 in 1997/98 → 134, +17 pupils.
Biggest loss in a single year: 2006/07: 102 in 2005/06 → 86, -16 pupils.
Largest single-class increase: 6th Class in 2021/22 (17 → 21, +4).
Largest single-class decrease: Senior Infants in 2023/24 (22 → 19, -3).
Largest cohort-step gain: JI → SI in 2025/26 (18 → 22, +4).
Largest cohort-step loss: JI → SI in 2021/22 (22 → 20, -2).
Overall: 115 (1993/94) → 152 (2025/26), 37.
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
22
20.2
6
Senior Infants
19
22
20.7
6
1st Class
18
21
19.3
6
2nd Class
18
21
19.8
6
3rd Class
19
22
20.0
6
4th Class
18
20
19.5
6
5th Class
17
20
19.2
6
6th Class
17
21
19.3
6
Total
86
163
128.0
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).