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
19.75
2025/26
Mainstream classes
8
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
201
10
20.10
29
0
2007/08
220
10
22.00
32
2
2008/09
209
11
19.00
29
0
2009/10
195
10
19.50
26
0
2010/11
169
9
18.78
24
0
2011/12
188
9
20.89
26
0
2012/13
177
8
22.12
28
0
2013/14
177
8
22.12
27
0
2014/15
185
9
20.56
27
0
2015/16
174
9
19.33
26
0
2016/17
176
8
22.00
26
0
2017/18
185
8
23.12
29
0
2019/20
185
9
20.56
26
0
2020/21
184
9
20.44
27
0
2021/22
174
9
19.33
27
0
2022/23
175
9
19.44
29
0
2023/24
157
9
17.44
28
0
2024/25
159
8
19.88
27
0
2025/26
158
8
19.75
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2003/04: 212 in 2002/03 → 232, +20 pupils.
Biggest loss in a single year: 2010/11: 211 in 2009/10 → 190, -21 pupils.
Largest single-class increase: 1st Class in 2022/23 (13 → 30, +17).
Largest single-class decrease: Junior Infants in 2021/22 (34 → 17, -17).
Largest cohort-step gain: 1st → 2nd in 2024/25 (16 → 23, +7).
Largest cohort-step loss: SI → 1st in 2024/25 (22 → 17, -5).
Overall: 212 (2002/03) → 164 (2025/26), -48.
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
4
34
19.3
6
Senior Infants
7
31
18.5
6
1st Class
7
30
17.7
6
2nd Class
14
29
22.2
6
3rd Class
14
29
22.7
6
4th Class
14
29
22.8
6
5th Class
17
28
22.2
6
6th Class
19
28
23.5
6
Total
157
236
191.8
24
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).