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
179
6
29.83
31
3
2007/08
186
7
26.57
31
1
2008/09
190
7
27.14
32
3
2009/10
188
7
26.86
35
3
2010/11
193
8
24.12
27
0
2011/12
205
8
25.62
29
0
2012/13
215
8
26.88
35
2
2013/14
210
8
26.25
30
2
2014/15
209
8
26.12
32
3
2015/16
217
8
27.12
31
3
2016/17
212
8
26.50
32
2
2017/18
218
8
27.25
31
1
2019/20
209
8
26.12
29
0
2020/21
206
8
25.75
29
0
2021/22
201
8
25.12
30
2
2022/23
196
8
24.50
30
2
2023/24
198
8
24.75
28
0
2024/25
198
8
24.75
29
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: 2002/03: 155 in 2001/02 → 175, +20 pupils.
Biggest loss in a single year: 1993/94: 249 in 1983/84 → 186, -63 pupils.
Largest single-class increase: Senior Infants in 2023/24 (19 → 27, +8).
Largest single-class decrease: Senior Infants in 2025/26 (25 → 17, -8).
Largest cohort-step gain: 2nd → 3rd in 2021/22 (25 → 30, +5).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (23 → 21, -2).
Overall: 309 (1974/75) → 187 (2025/26), -122.
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
18
25
21.5
6
Senior Infants
17
27
22.0
6
1st Class
20
28
23.8
6
2nd Class
19
27
23.5
6
3rd Class
21
30
24.7
6
4th Class
24
30
26.3
6
5th Class
25
29
27.3
6
6th Class
25
30
28.5
6
Total
154
315
209.9
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).