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
14.09
2025/26
Mainstream classes
11
2025/26
Largest class group
23
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
174
10
17.40
22
0
2016/17
179
10
17.90
23
0
2017/18
167
10
16.70
24
0
2019/20
163
10
16.30
22
0
2020/21
162
11
14.73
20
0
2021/22
151
11
13.73
21
0
2022/23
151
10
15.10
23
0
2023/24
148
10
14.80
22
0
2024/25
150
10
15.00
23
0
2025/26
155
11
14.09
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 179 in 2017/18 → 189, +10 pupils.
Biggest loss in a single year: 2019/20: 189 in 2018/19 → 177, -12 pupils.
Largest single-class increase: 6th Class in 2025/26 (14 → 34, +20).
Largest single-class decrease: 1st Class in 2021/22 (31 → 14, -17).
Largest cohort-step gain: 5th → 6th in 2025/26 (28 → 34, +6).
Largest cohort-step loss: 3rd → 4th in 2021/22 (16 → 13, -3).
Overall: 188 (2015/16) → 174 (2025/26), -14.
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
16
23
20.2
6
Senior Infants
12
22
18.0
6
1st Class
14
31
20.5
6
2nd Class
13
29
19.3
6
3rd Class
12
29
18.2
6
4th Class
13
28
19.3
6
5th Class
13
28
20.0
6
6th Class
14
34
21.8
6
Total
167
189
177.9
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).