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
28
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+
2008/09
20
2
10.00
14
0
2009/10
52
3
17.33
19
0
2010/11
87
4
21.75
24
0
2011/12
120
5
24.00
28
0
2012/13
150
6
25.00
29
0
2013/14
178
7
25.43
36
2
2014/15
180
8
22.50
30
2
2015/16
210
8
26.25
32
3
2016/17
208
8
26.00
31
2
2017/18
210
8
26.25
30
3
2019/20
219
8
27.38
30
2
2020/21
223
8
27.88
30
3
2021/22
218
8
27.25
31
3
2022/23
224
8
28.00
31
1
2023/24
217
8
27.12
30
1
2024/25
206
8
25.75
29
0
2025/26
195
8
24.38
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2010/11: 52 in 2009/10 → 87, +35 pupils.
Biggest loss in a single year: 2024/25: 217 in 2023/24 → 206, -11 pupils.
Largest single-class increase: Senior Infants in 2021/22 (22 → 28, +6).
Largest single-class decrease: Junior Infants in 2021/22 (30 → 22, -8).
Largest cohort-step gain: 1st → 2nd in 2022/23 (22 → 26, +4).
Largest cohort-step loss: 3rd → 4th in 2024/25 (26 → 23, -3).
Overall: 20 (2008/09) → 195 (2025/26), 175.
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
30
24.2
6
Senior Infants
22
28
25.2
6
1st Class
22
30
26.5
6
2nd Class
25
31
27.2
6
3rd Class
23
31
27.0
6
4th Class
23
30
28.2
6
5th Class
25
30
27.7
6
6th Class
25
29
28.0
6
Total
20
224
174.3
18
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).