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
5
2025/26
Largest class group
27
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
120
5
24.00
29
0
2007/08
122
5
24.40
29
0
2008/09
122
5
24.40
29
0
2009/10
127
5
25.40
27
0
2010/11
126
5
25.20
29
0
2011/12
130
5
26.00
31
1
2012/13
142
5
28.40
32
2
2013/14
140
5
28.00
30
1
2014/15
136
5
27.20
28
0
2015/16
142
5
28.40
31
2
2016/17
138
5
27.60
32
1
2017/18
125
5
25.00
26
0
2019/20
120
5
24.00
31
1
2020/21
113
6
18.83
26
0
2021/22
111
10
11.10
19
0
2022/23
119
6
19.83
28
0
2023/24
108
5
21.60
26
0
2024/25
125
5
25.00
28
0
2025/26
115
5
23.00
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 142 in 1974/75 → 193, +51 pupils.
Biggest loss in a single year: 1993/94: 172 in 1983/84 → 152, -20 pupils.
Largest single-class increase: 5th Class in 2021/22 (10 → 27, +17).
Largest single-class decrease: 6th Class in 2023/24 (28 → 11, -17).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (10 → 14, +4).
Largest cohort-step loss: JI → SI in 2023/24 (18 → 16, -2).
Overall: 142 (1974/75) → 121 (2025/26), -21.
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
10
20
15.0
6
Senior Infants
9
18
14.0
6
1st Class
9
19
14.2
6
2nd Class
10
19
13.8
6
3rd Class
11
16
13.5
6
4th Class
12
26
15.2
6
5th Class
10
27
14.5
6
6th Class
11
28
16.0
6
Total
111
211
141.5
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).