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
15.55
2025/26
Mainstream classes
11
2025/26
Largest class group
20
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
211
12
17.58
20
0
2007/08
205
12
17.08
20
0
2008/09
214
12
17.83
20
0
2009/10
218
12
18.17
21
0
2010/11
209
12
17.42
20
0
2011/12
230
12
19.17
21
0
2012/13
235
12
19.58
21
0
2013/14
232
12
19.33
22
0
2014/15
237
12
19.75
22
0
2015/16
227
12
18.92
22
0
2016/17
206
12
17.17
18
0
2017/18
202
11
18.36
24
0
2019/20
207
11
18.82
22
0
2020/21
182
10
18.20
22
0
2021/22
175
11
15.91
19
0
2022/23
177
10
17.70
25
0
2023/24
166
11
15.09
19
0
2024/25
175
11
15.91
19
0
2025/26
171
11
15.55
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1978/79: 44 in 1977/78 → 304, +260 pupils.
Biggest loss in a single year: 1993/94: 649 in 1983/84 → 461, -188 pupils.
Largest single-class increase: Senior Infants in 2022/23 (29 → 60, +31).
Largest single-class decrease: Senior Infants in 2021/22 (54 → 29, -25).
Largest cohort-step gain: JI → SI in 2025/26 (39 → 48, +9).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (60 → 0, -60).
Overall: 44 (1977/78) → 183 (2025/26), 139.
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
31
57
43.2
6
Senior Infants
29
60
46.8
6
1st Class
29
59
45.7
6
2nd Class
29
60
47.7
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
44
649
286.3
40
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).