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
23.75
2025/26
Mainstream classes
8
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
162
6
27.00
34
3
2007/08
173
6
28.83
35
2
2008/09
178
7
25.43
32
2
2009/10
175
8
21.88
24
0
2010/11
185
8
23.12
31
1
2011/12
185
8
23.12
29
0
2012/13
187
8
23.38
29
0
2013/14
186
8
23.25
28
0
2014/15
185
7
26.43
35
2
2015/16
180
7
25.71
34
2
2016/17
196
7
28.00
37
3
2017/18
200
7
28.57
37
4
2019/20
191
7
27.29
34
3
2020/21
192
8
24.00
29
0
2021/22
190
8
23.75
29
0
2022/23
188
8
23.50
30
1
2023/24
186
8
23.25
31
1
2024/25
188
8
23.50
31
1
2025/26
190
8
23.75
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 66 in 1998/99 → 86, +20 pupils.
Biggest loss in a single year: 1993/94: 87 in 1983/84 → 59, -28 pupils.
Largest single-class increase: 5th Class in 2025/26 (21 → 38, +17).
Largest single-class decrease: 3rd Class in 2021/22 (29 → 20, -9).
Largest cohort-step gain: 4th → 5th in 2025/26 (31 → 38, +7).
Largest cohort-step loss: 1st → 2nd in 2021/22 (23 → 19, -4).
Overall: 87 (1974/75) → 202 (2025/26), 115.
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
21
26
22.7
6
Senior Infants
21
29
24.0
6
1st Class
21
29
23.8
6
2nd Class
19
30
22.7
6
3rd Class
20
31
24.2
6
4th Class
20
31
24.3
6
5th Class
20
38
26.2
6
6th Class
19
27
23.2
6
Total
55
204
138.7
42
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).