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
18.67
2025/26
Mainstream classes
12
2025/26
Largest class group
25
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
74
5
14.80
21
0
2007/08
101
5
20.20
27
0
2008/09
124
6
20.67
30
1
2009/10
131
5
26.20
38
1
2010/11
137
5
27.40
37
3
2011/12
173
8
21.62
30
1
2012/13
179
8
22.38
30
1
2013/14
160
9
17.78
23
0
2014/15
164
9
18.22
25
0
2015/16
174
9
19.33
26
0
2016/17
184
9
20.44
25
0
2017/18
192
9
21.33
28
0
2019/20
236
11
21.45
26
0
2020/21
240
11
21.82
25
0
2021/22
230
12
19.17
26
0
2022/23
228
12
19.00
24
0
2023/24
233
12
19.42
25
0
2024/25
234
12
19.50
25
0
2025/26
224
12
18.67
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 192 in 2017/18 → 230, +38 pupils.
Biggest loss in a single year: 1993/94: 365 in 1983/84 → 168, -197 pupils.
Largest single-class increase: 5th Class in 2023/24 (46 → 63, +17).
Largest single-class decrease: 2nd Class in 2021/22 (55 → 36, -19).
Largest cohort-step gain: 4th → 5th in 2023/24 (58 → 63, +5).
Largest cohort-step loss: 5th → 6th in 2024/25 (63 → 59, -4).
Overall: 365 (1974/75) → 224 (2025/26), -141.
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
34
55
42.7
6
3rd Class
36
55
44.2
6
4th Class
35
58
44.8
6
5th Class
44
63
49.8
6
6th Class
46
59
50.0
6
Total
76
379
209.5
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).