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
24.38
2025/26
Mainstream classes
8
2025/26
Largest class group
27
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+
2015/16
10
1
10.00
10
0
2016/17
38
2
19.00
22
0
2017/18
62
3
20.67
23
0
2019/20
126
5
25.20
28
0
2020/21
154
6
25.67
31
2
2021/22
178
7
25.43
30
1
2022/23
199
8
24.88
29
0
2023/24
203
8
25.38
29
0
2024/25
209
8
26.12
29
0
2025/26
195
8
24.38
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 91 in 2018/19 → 126, +35 pupils.
Biggest loss in a single year: 2025/26: 209 in 2024/25 → 195, -14 pupils.
Largest single-class increase: Junior Infants in 2021/22 (19 → 30, +11).
Largest single-class decrease: 1st Class in 2021/22 (31 → 22, -9).
Largest cohort-step gain: SI → 1st in 2022/23 (20 → 23, +3).
Largest cohort-step loss: JI → SI in 2025/26 (27 → 23, -4).
Overall: 10 (2015/16) → 195 (2025/26), 185.
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
19
30
24.5
6
Senior Infants
20
29
24.5
6
1st Class
21
31
25.7
6
2nd Class
25
27
26.0
6
3rd Class
21
29
25.8
6
4th Class
19
29
24.7
6
5th Class
12
29
21.8
6
6th Class
11
26
20.0
5
Total
10
209
133.2
11
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).