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
22.60
2025/26
Mainstream classes
5
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
91
4
22.75
28
0
2007/08
89
4
22.25
27
0
2008/09
97
4
24.25
33
1
2009/10
110
4
27.50
32
1
2010/11
117
4
29.25
34
2
2011/12
128
5
25.60
27
0
2012/13
151
6
25.17
33
1
2013/14
156
6
26.00
36
1
2014/15
162
7
23.14
35
1
2015/16
169
6
28.17
36
3
2016/17
172
7
24.57
30
1
2017/18
161
7
23.00
31
2
2019/20
160
6
26.67
32
3
2020/21
148
6
24.67
32
2
2021/22
133
9
14.78
22
0
2022/23
133
5
26.60
32
2
2023/24
119
5
23.80
28
0
2024/25
122
5
24.40
28
0
2025/26
113
5
22.60
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 128 in 2011/12 → 151, +23 pupils.
Biggest loss in a single year: 1994/95: 176 in 1993/94 → 158, -18 pupils.
Largest single-class increase: 5th Class in 2021/22 (13 → 25, +12).
Largest single-class decrease: 6th Class in 2021/22 (26 → 14, -12).
Largest cohort-step gain: 4th → 5th in 2024/25 (14 → 17, +3).
Largest cohort-step loss: 3rd → 4th in 2025/26 (17 → 15, -2).
Overall: 110 (1974/75) → 113 (2025/26), 3.
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
16
13.3
6
Senior Infants
11
23
15.0
6
1st Class
10
22
15.2
6
2nd Class
11
22
15.3
6
3rd Class
10
23
15.7
6
4th Class
10
25
17.7
6
5th Class
11
25
17.5
6
6th Class
11
26
18.3
6
Total
89
176
131.2
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).