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
24.38
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
151
5
30.20
33
4
2007/08
184
7
26.29
36
1
2008/09
188
7
26.86
31
1
2009/10
195
8
24.38
29
0
2010/11
221
8
27.62
30
2
2011/12
216
8
27.00
31
1
2012/13
217
8
27.12
31
2
2013/14
215
8
26.88
31
1
2014/15
207
8
25.88
28
0
2015/16
213
8
26.62
29
0
2016/17
209
8
26.12
29
0
2017/18
211
8
26.38
29
0
2019/20
209
8
26.12
29
0
2020/21
211
8
26.38
30
1
2021/22
208
8
26.00
30
1
2022/23
208
8
26.00
32
1
2023/24
191
8
23.88
28
0
2024/25
191
8
23.88
27
0
2025/26
195
8
24.38
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 151 in 2006/07 → 184, +33 pupils.
Biggest loss in a single year: 1993/94: 152 in 1982/83 → 107, -45 pupils.
Largest single-class increase: 3rd Class in 2021/22 (22 → 28, +6).
Largest single-class decrease: Junior Infants in 2021/22 (25 → 17, -8).
Largest cohort-step gain: 3rd → 4th in 2021/22 (22 → 27, +5).
Largest cohort-step loss: 4th → 5th in 2023/24 (29 → 25, -4).
Overall: 129 (1974/75) → 207 (2025/26), 78.
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
17
25
22.3
6
Senior Infants
18
26
22.3
6
1st Class
19
27
23.3
6
2nd Class
20
28
25.3
6
3rd Class
22
28
25.0
6
4th Class
26
30
28.3
6
5th Class
25
30
27.7
6
6th Class
25
32
28.3
6
Total
95
221
163.4
42
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).