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
22.83
2025/26
Mainstream classes
12
2025/26
Largest class group
26
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
147
6
24.50
30
1
2007/08
164
6
27.33
31
3
2008/09
194
7
27.71
31
2
2009/10
220
8
27.50
33
3
2010/11
233
8
29.12
33
2
2011/12
234
9
26.00
31
2
2012/13
225
9
25.00
33
2
2013/14
235
8
29.38
32
5
2014/15
224
9
24.89
30
2
2015/16
232
8
29.00
31
5
2016/17
248
9
27.56
31
6
2017/18
253
10
25.30
30
3
2019/20
270
11
24.55
31
2
2020/21
264
11
24.00
31
3
2021/22
271
11
24.64
30
2
2022/23
274
11
24.91
31
1
2023/24
279
12
23.25
29
0
2024/25
278
12
23.17
26
0
2025/26
274
12
22.83
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1982/83: 159 in 1981/82 → 197, +38 pupils.
Biggest loss in a single year: 1993/94: 169 in 1983/84 → 112, -57 pupils.
Largest single-class increase: 2nd Class in 2024/25 (23 → 38, +15).
Largest single-class decrease: Senior Infants in 2021/22 (37 → 22, -15).
Largest cohort-step gain: 4th → 5th in 2023/24 (38 → 44, +6).
Largest cohort-step loss: 1st → 2nd in 2022/23 (38 → 35, -3).
Overall: 153 (1974/75) → 285 (2025/26), 132.
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
37
32.0
6
Senior Infants
22
37
32.3
6
1st Class
23
39
35.3
6
2nd Class
23
41
35.5
6
3rd Class
25
39
35.3
6
4th Class
26
38
33.8
6
5th Class
30
44
36.3
6
6th Class
30
42
35.5
6
Total
107
291
190.2
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).