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
24.14
2025/26
Mainstream classes
7
2025/26
Largest class group
33
2025/26
Classes with 30+ pupils
2
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
163
6
27.17
32
1
2007/08
151
6
25.17
29
0
2008/09
162
6
27.00
35
2
2009/10
169
6
28.17
36
2
2010/11
181
6
30.17
35
2
2011/12
187
7
26.71
29
0
2012/13
179
7
25.57
34
1
2013/14
197
7
28.14
32
2
2014/15
181
7
25.86
35
1
2015/16
164
7
23.43
30
1
2016/17
176
6
29.33
31
4
2017/18
164
7
23.43
34
1
2019/20
161
6
26.83
32
1
2020/21
147
7
21.00
28
0
2021/22
164
7
23.43
32
2
2022/23
166
6
27.67
33
4
2023/24
171
7
24.43
31
1
2024/25
157
7
22.43
28
0
2025/26
169
7
24.14
33
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1982/83: 181 in 1981/82 → 206, +25 pupils.
Biggest loss in a single year: 1993/94: 206 in 1982/83 → 179, -27 pupils.
Largest single-class increase: 1st Class in 2025/26 (10 → 27, +17).
Largest single-class decrease: 1st Class in 2024/25 (24 → 10, -14).
Largest cohort-step gain: 1st → 2nd in 2021/22 (18 → 23, +5).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (19 → 15, -4).
Overall: 99 (1975/76) → 181 (2025/26), 82.
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
30
22.2
6
Senior Infants
14
27
20.3
6
1st Class
10
27
19.3
6
2nd Class
14
24
19.5
6
3rd Class
15
26
21.5
6
4th Class
16
27
20.2
6
5th Class
16
30
20.3
6
6th Class
17
29
21.0
6
Total
99
206
157.0
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).