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
24.22
2025/26
Mainstream classes
9
2025/26
Largest class group
35
2025/26
Classes with 30+ pupils
1
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
291
11
26.45
33
2
2007/08
285
11
25.91
31
2
2008/09
282
11
25.64
31
3
2009/10
278
10
27.80
34
2
2010/11
252
10
25.20
30
1
2011/12
237
9
26.33
34
1
2012/13
236
9
26.22
30
1
2013/14
239
9
26.56
33
3
2014/15
232
9
25.78
33
3
2015/16
241
10
24.10
27
0
2016/17
224
10
22.40
27
0
2017/18
213
8
26.62
33
4
2019/20
255
10
25.50
34
3
2020/21
241
12
20.08
25
0
2021/22
250
10
25.00
32
2
2022/23
250
10
25.00
32
4
2023/24
217
10
21.70
30
1
2024/25
220
9
24.44
27
0
2025/26
218
9
24.22
35
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 230 in 2018/19 → 255, +25 pupils.
Biggest loss in a single year: 1993/94: 443 in 1983/84 → 311, -132 pupils.
Largest single-class increase: 6th Class in 2022/23 (46 → 62, +16).
Largest single-class decrease: 2nd Class in 2025/26 (53 → 35, -18).
Largest cohort-step gain: 3rd → 4th in 2022/23 (43 → 49, +6).
Largest cohort-step loss: 4th → 5th in 2023/24 (49 → 44, -5).
Overall: 509 (1974/75) → 218 (2025/26), -291.
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
0
0
0.0
1
2nd Class
35
53
40.7
6
3rd Class
35
60
45.2
6
4th Class
39
62
48.8
6
5th Class
39
61
49.5
6
6th Class
32
62
48.5
6
Total
213
509
308.4
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).