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
22.00
2025/26
Mainstream classes
6
2025/26
Largest class group
29
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
90
4
22.50
27
0
2007/08
100
4
25.00
28
0
2008/09
109
4
27.25
32
2
2009/10
115
4
28.75
32
3
2010/11
126
5
25.20
33
1
2011/12
123
5
24.60
31
1
2012/13
127
5
25.40
30
1
2013/14
130
5
26.00
32
2
2014/15
131
5
26.20
31
1
2015/16
137
5
27.40
32
2
2016/17
137
5
27.40
34
2
2017/18
145
5
29.00
34
3
2019/20
146
5
29.20
32
2
2020/21
148
6
24.67
32
3
2021/22
156
6
26.00
31
2
2022/23
160
6
26.67
31
3
2023/24
153
6
25.50
30
3
2024/25
145
6
24.17
30
1
2025/26
132
6
22.00
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1977/78: 105 in 1976/77 → 117, +12 pupils.
Biggest loss in a single year: 1993/94: 127 in 1982/83 → 99, -28 pupils.
Largest single-class increase: 6th Class in 2021/22 (13 → 18, +5).
Largest single-class decrease: Junior Infants in 2023/24 (21 → 17, -4).
Largest cohort-step gain: SI → 1st in 2023/24 (18 → 20, +2).
Largest cohort-step loss: 1st → 2nd in 2023/24 (20 → 19, -1).
Overall: 98 (1975/76) → 144 (2025/26), 46.
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
14
21
17.8
6
Senior Infants
15
20
17.8
6
1st Class
17
20
19.0
6
2nd Class
18
20
19.3
6
3rd Class
17
21
19.5
6
4th Class
17
21
19.3
6
5th Class
17
21
19.7
6
6th Class
13
21
18.5
6
Total
82
160
116.8
41
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).