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
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
119
6
19.83
23
0
2007/08
121
6
20.17
22
0
2008/09
128
6
21.33
25
0
2009/10
122
6
20.33
24
0
2010/11
125
6
20.83
23
0
2011/12
125
6
20.83
24
0
2012/13
130
6
21.67
25
0
2013/14
146
6
24.33
29
0
2014/15
138
6
23.00
29
0
2015/16
143
5
28.60
30
3
2016/17
142
5
28.40
32
2
2017/18
142
5
28.40
29
0
2019/20
145
5
29.00
31
2
2020/21
138
6
23.00
26
0
2021/22
132
6
22.00
25
0
2022/23
130
6
21.67
25
0
2023/24
130
6
21.67
25
0
2024/25
126
6
21.00
24
0
2025/26
138
6
23.00
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 130 in 2012/13 → 146, +16 pupils.
Biggest loss in a single year: 1993/94: 219 in 1982/83 → 167, -52 pupils.
Largest single-class increase: 6th Class in 2025/26 (9 → 20, +11).
Largest single-class decrease: 5th Class in 2023/24 (21 → 10, -11).
Largest cohort-step gain: 1st → 2nd in 2025/26 (14 → 19, +5).
Largest cohort-step loss: 1st → 2nd in 2024/25 (16 → 14, -2).
Overall: 175 (1975/76) → 149 (2025/26), -26.
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
15
20
17.8
6
Senior Infants
15
21
17.3
6
1st Class
14
19
16.5
6
2nd Class
10
19
15.5
6
3rd Class
9
20
15.7
6
4th Class
9
22
16.3
6
5th Class
10
21
17.0
6
6th Class
9
20
18.0
6
Total
119
219
149.2
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).