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
23.38
2025/26
Mainstream classes
8
2025/26
Largest class group
27
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
157
6
26.17
30
1
2007/08
158
6
26.33
32
2
2008/09
157
6
26.17
31
2
2009/10
157
6
26.17
32
1
2010/11
158
6
26.33
29
0
2011/12
165
6
27.50
31
4
2012/13
161
6
26.83
31
1
2013/14
159
6
26.50
32
3
2014/15
161
6
26.83
31
4
2015/16
163
6
27.17
32
2
2016/17
156
6
26.00
30
1
2017/18
160
6
26.67
30
1
2019/20
158
7
22.57
30
1
2020/21
171
7
24.43
31
2
2021/22
179
7
25.57
34
2
2022/23
187
7
26.71
33
2
2023/24
183
8
22.88
28
0
2024/25
191
8
23.88
27
0
2025/26
187
8
23.38
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 142 in 1983/84 → 181, +39 pupils.
Biggest loss in a single year: 1994/95: 181 in 1993/94 → 165, -16 pupils.
Largest single-class increase: 6th Class in 2024/25 (15 → 25, +10).
Largest single-class decrease: 6th Class in 2023/24 (25 → 15, -10).
Largest cohort-step gain: 3rd → 4th in 2025/26 (24 → 28, +4).
Largest cohort-step loss: JI → SI in 2021/22 (29 → 27, -2).
Overall: 163 (1974/75) → 199 (2025/26), 36.
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
20
30
26.5
6
Senior Infants
19
28
24.2
6
1st Class
19
27
23.2
6
2nd Class
17
27
23.2
6
3rd Class
16
27
22.2
6
4th Class
17
28
23.2
6
5th Class
16
26
21.3
6
6th Class
15
25
21.3
6
Total
140
203
163.7
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).