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
22.83
2025/26
Mainstream classes
6
2025/26
Largest class group
24
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
106
4
26.50
30
1
2007/08
116
4
29.00
39
2
2008/09
122
5
24.40
25
0
2009/10
129
5
25.80
29
0
2010/11
121
5
24.20
28
0
2011/12
118
5
23.60
29
0
2012/13
100
5
20.00
25
0
2013/14
108
4
27.00
33
1
2014/15
115
4
28.75
32
3
2015/16
121
5
24.20
27
0
2016/17
123
5
24.60
28
0
2017/18
129
5
25.80
28
0
2019/20
141
6
23.50
25
0
2020/21
144
6
24.00
30
1
2021/22
142
6
23.67
32
1
2022/23
144
6
24.00
31
2
2023/24
147
6
24.50
28
0
2024/25
149
6
24.83
31
1
2025/26
137
6
22.83
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 27 in 2000/01 → 50, +23 pupils.
Biggest loss in a single year: 2012/13: 118 in 2011/12 → 100, -18 pupils.
Largest single-class increase: 3rd Class in 2021/22 (13 → 32, +19).
Largest single-class decrease: 3rd Class in 2022/23 (32 → 11, -21).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (21 → 25, +4).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (14 → 11, -3).
Overall: 30 (1974/75) → 148 (2025/26), 118.
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
19
15.0
6
Senior Infants
14
19
16.7
6
1st Class
15
20
16.8
6
2nd Class
14
30
19.3
6
3rd Class
11
32
19.8
6
4th Class
11
30
19.8
6
5th Class
11
30
19.3
6
6th Class
13
31
18.8
6
Total
19
161
81.3
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).