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
24.00
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
150
6
25.00
32
2
2007/08
158
6
26.33
33
2
2008/09
153
6
25.50
31
1
2009/10
149
6
24.83
28
0
2010/11
156
6
26.00
29
0
2011/12
168
6
28.00
32
2
2012/13
166
6
27.67
32
1
2013/14
175
6
29.17
35
2
2014/15
177
7
25.29
30
1
2015/16
195
7
27.86
34
5
2016/17
212
7
30.29
35
4
2017/18
213
8
26.62
38
1
2019/20
218
8
27.25
32
2
2020/21
227
8
28.38
33
4
2021/22
226
9
25.11
28
0
2022/23
216
9
24.00
29
0
2023/24
238
9
26.44
31
2
2024/25
226
10
22.60
26
0
2025/26
216
9
24.00
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2023/24: 216 in 2022/23 → 238, +22 pupils.
Biggest loss in a single year: 1993/94: 257 in 1983/84 → 225, -32 pupils.
Largest single-class increase: 4th Class in 2021/22 (31 → 42, +11).
Largest single-class decrease: 1st Class in 2024/25 (39 → 26, -13).
Largest cohort-step gain: 5th → 6th in 2025/26 (42 → 47, +5).
Largest cohort-step loss: 4th → 5th in 2024/25 (45 → 42, -3).
Overall: 247 (1975/76) → 216 (2025/26), -31.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
24
40
31.7
6
2nd Class
28
42
34.8
6
3rd Class
33
45
38.2
6
4th Class
31
45
37.8
6
5th Class
32
44
40.3
6
6th Class
33
47
42.0
6
Total
166
276
209.3
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).