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
12.90
2025/26
Mainstream classes
10
2025/26
Largest class group
17
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
157
11
14.27
17
0
2007/08
158
11
14.36
18
0
2008/09
149
11
13.55
18
0
2009/10
125
11
11.36
13
0
2010/11
138
9
15.33
19
0
2011/12
157
10
15.70
18
0
2012/13
172
10
17.20
22
0
2013/14
181
11
16.45
20
0
2014/15
191
12
15.92
19
0
2015/16
180
12
15.00
16
0
2016/17
173
11
15.73
20
0
2017/18
170
12
14.17
16
0
2019/20
159
11
14.45
19
0
2020/21
137
11
12.45
15
0
2021/22
134
10
13.40
19
0
2022/23
138
10
13.80
19
0
2023/24
127
9
14.11
18
0
2024/25
139
10
13.90
18
0
2025/26
129
10
12.90
17
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1983/84: 141 in 1982/83 → 352, +211 pupils.
Biggest loss in a single year: 1993/94: 352 in 1983/84 → 302, -50 pupils.
Largest single-class increase: 1st Class in 2023/24 (24 → 36, +12).
Largest single-class decrease: 2nd Class in 2023/24 (40 → 24, -16).
Largest cohort-step gain: 1st → 2nd in 2025/26 (37 → 41, +4).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (40 → 0, -40).
Overall: 141 (1982/83) → 141 (2025/26), 0.
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
28
39
33.5
6
Senior Infants
27
38
34.3
6
1st Class
24
38
33.8
6
2nd Class
24
41
35.0
6
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
137
352
184.3
35
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).