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
23.89
2025/26
Mainstream classes
9
2025/26
Largest class group
28
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
32
4
2007/08
157
6
26.17
31
2
2008/09
153
6
25.50
32
2
2009/10
160
6
26.67
30
1
2010/11
164
6
27.33
30
1
2011/12
165
6
27.50
33
1
2012/13
174
7
24.86
33
1
2013/14
179
7
25.57
30
1
2014/15
188
7
26.86
30
2
2015/16
190
8
23.75
31
1
2016/17
199
8
24.88
31
2
2017/18
187
8
23.38
31
1
2019/20
212
8
26.50
35
2
2020/21
213
8
26.62
35
2
2021/22
215
9
23.89
32
1
2022/23
214
9
23.78
32
2
2023/24
225
9
25.00
32
1
2024/25
211
9
23.44
28
0
2025/26
215
9
23.89
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 201 in 2018/19 → 224, +23 pupils.
Biggest loss in a single year: 2024/25: 237 in 2023/24 → 223, -14 pupils.
Largest single-class increase: 6th Class in 2023/24 (22 → 32, +10).
Largest single-class decrease: 3rd Class in 2021/22 (33 → 18, -15).
Largest cohort-step gain: SI → 1st in 2025/26 (27 → 31, +4).
Largest cohort-step loss: 1st → 2nd in 2023/24 (30 → 28, -2).
Overall: 99 (1975/76) → 227 (2025/26), 128.
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
24
29
26.2
6
Senior Infants
24
35
27.8
6
1st Class
27
35
29.5
6
2nd Class
19
35
27.0
6
3rd Class
18
35
27.8
6
4th Class
19
34
27.5
6
5th Class
20
35
27.2
6
6th Class
19
32
24.5
6
Total
99
237
171.0
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).