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
25.00
2025/26
Mainstream classes
6
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
148
6
24.67
30
1
2007/08
159
6
26.50
31
2
2008/09
166
6
27.67
31
1
2009/10
169
6
28.17
29
0
2010/11
172
6
28.67
31
2
2011/12
180
6
30.00
31
4
2012/13
186
7
26.57
30
2
2013/14
185
7
26.43
30
2
2014/15
196
7
28.00
32
3
2015/16
194
7
27.71
33
3
2016/17
198
7
28.29
33
3
2017/18
204
7
29.14
31
4
2019/20
196
8
24.50
30
1
2020/21
184
7
26.29
34
1
2021/22
175
7
25.00
28
0
2022/23
166
7
23.71
30
3
2023/24
162
7
23.14
32
1
2024/25
152
7
21.71
30
1
2025/26
150
6
25.00
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 129 in 1983/84 → 144, +15 pupils.
Biggest loss in a single year: 2020/21: 196 in 2019/20 → 184, -12 pupils.
Largest single-class increase: 2nd Class in 2022/23 (20 → 30, +10).
Largest single-class decrease: 3rd Class in 2021/22 (27 → 15, -12).
Largest cohort-step gain: 2nd → 3rd in 2023/24 (30 → 32, +2).
Largest cohort-step loss: 4th → 5th in 2022/23 (26 → 23, -3).
Overall: 125 (1974/75) → 150 (2025/26), 25.
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
13
20
16.2
6
Senior Infants
14
29
18.5
6
1st Class
13
29
19.7
6
2nd Class
14
30
19.8
6
3rd Class
15
32
22.2
6
4th Class
15
30
22.7
6
5th Class
15
30
23.3
6
6th Class
15
28
22.5
6
Total
125
204
157.7
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).