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
20.00
2025/26
Mainstream classes
6
2025/26
Largest class group
28
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
99
4
24.75
30
1
2007/08
105
4
26.25
32
1
2008/09
105
4
26.25
32
1
2009/10
110
4
27.50
34
1
2010/11
114
4
28.50
33
1
2011/12
119
4
29.75
35
2
2012/13
122
5
24.40
34
2
2013/14
130
5
26.00
35
2
2014/15
137
5
27.40
35
2
2015/16
141
5
28.20
37
2
2016/17
138
5
27.60
40
2
2017/18
149
5
29.80
34
3
2019/20
153
6
25.50
30
2
2020/21
146
10
14.60
25
0
2021/22
153
10
15.30
26
0
2022/23
151
6
25.17
30
1
2023/24
141
6
23.50
31
1
2024/25
134
6
22.33
27
0
2025/26
120
6
20.00
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 125 in 1974/75 → 142, +17 pupils.
Biggest loss in a single year: 1993/94: 185 in 1983/84 → 124, -61 pupils.
Largest single-class increase: 3rd Class in 2025/26 (13 → 27, +14).
Largest single-class decrease: 5th Class in 2024/25 (27 → 13, -14).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (23 → 27, +4).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (20 → 18, -2).
Overall: 125 (1974/75) → 129 (2025/26), 4.
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
22
14.8
6
Senior Infants
9
22
15.2
6
1st Class
12
23
16.8
6
2nd Class
12
25
19.0
6
3rd Class
13
27
19.3
6
4th Class
13
26
17.8
6
5th Class
13
27
19.5
6
6th Class
15
28
19.8
6
Total
99
185
132.5
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).