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
25.12
2025/26
Mainstream classes
8
2025/26
Largest class group
31
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
155
6
25.83
29
0
2007/08
165
6
27.50
29
0
2008/09
192
7
27.43
31
3
2009/10
212
7
30.29
34
5
2010/11
211
9
23.44
29
0
2011/12
224
9
24.89
30
2
2012/13
237
8
29.62
32
5
2013/14
239
9
26.56
33
2
2014/15
223
9
24.78
31
1
2015/16
225
8
28.12
32
2
2016/17
228
8
28.50
33
3
2017/18
232
8
29.00
32
4
2019/20
226
8
28.25
32
4
2020/21
222
8
27.75
32
4
2021/22
214
8
26.75
32
3
2022/23
214
8
26.75
31
2
2023/24
214
8
26.75
32
2
2024/25
203
8
25.38
31
1
2025/26
201
8
25.12
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2006/07: 125 in 2005/06 → 155, +30 pupils.
Biggest loss in a single year: 1993/94: 118 in 1983/84 → 95, -23 pupils.
Largest single-class increase: 3rd Class in 2023/24 (19 → 29, +10).
Largest single-class decrease: 5th Class in 2024/25 (28 → 18, -10).
Largest cohort-step gain: 1st → 2nd in 2025/26 (29 → 32, +3).
Largest cohort-step loss: 3rd → 4th in 2024/25 (29 → 26, -3).
Overall: 69 (1974/75) → 207 (2025/26), 138.
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
23
31
25.7
6
Senior Infants
23
31
26.0
6
1st Class
19
31
25.5
6
2nd Class
20
32
26.0
6
3rd Class
19
32
26.0
6
4th Class
19
32
26.5
6
5th Class
18
32
27.7
6
6th Class
21
32
29.0
6
Total
60
239
148.4
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).