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
18.45
2025/26
Mainstream classes
11
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
243
14
17.36
23
0
2016/17
223
13
17.15
32
1
2017/18
232
12
19.33
34
2
2019/20
229
12
19.08
28
0
2020/21
214
12
17.83
24
0
2021/22
209
11
19.00
26
0
2022/23
210
11
19.09
27
0
2023/24
193
11
17.55
27
0
2024/25
203
11
18.45
25
0
2025/26
203
11
18.45
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 205 in 2023/24 → 215, +10 pupils.
Biggest loss in a single year: 2016/17: 243 in 2015/16 → 223, -20 pupils.
Largest single-class increase: 1st Class in 2021/22 (18 → 31, +13).
Largest single-class decrease: 6th Class in 2023/24 (35 → 25, -10).
Largest cohort-step gain: 3rd → 4th in 2021/22 (20 → 24, +4).
Largest cohort-step loss: SI → 1st in 2023/24 (32 → 27, -5).
Overall: 243 (2015/16) → 215 (2025/26), -28.
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
24
32
28.0
6
Senior Infants
24
32
28.8
6
1st Class
18
32
26.0
6
2nd Class
19
32
25.3
6
3rd Class
20
30
24.0
6
4th Class
21
30
25.3
6
5th Class
23
32
27.2
6
6th Class
22
35
28.7
6
Total
205
243
220.7
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).