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
22.44
2025/26
Mainstream classes
16
2025/26
Largest class group
29
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+
2013/14
8
1
8.00
8
0
2014/15
12
1
12.00
12
0
2015/16
57
3
19.00
23
0
2016/17
120
5
24.00
29
0
2017/18
162
6
27.00
31
2
2019/20
236
9
26.22
30
1
2020/21
285
11
25.91
31
2
2021/22
302
12
25.17
31
2
2022/23
328
13
25.23
31
1
2023/24
336
13
25.85
34
2
2024/25
348
14
24.86
30
1
2025/26
359
16
22.44
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 57 in 2015/16 → 120, +63 pupils.
Largest single-class increase: 5th Class in 2021/22 (5 → 38, +33).
Largest single-class decrease: 3rd Class in 2025/26 (59 → 36, -23).
Largest cohort-step gain: SI → 1st in 2024/25 (42 → 44, +2).
Largest cohort-step loss: SI → 1st in 2021/22 (51 → 46, -5).
Overall: 8 (2013/14) → 359 (2025/26), 351.
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
41
61
47.7
6
Senior Infants
41
60
48.7
6
1st Class
38
60
46.5
6
2nd Class
38
59
43.7
6
3rd Class
36
59
42.5
6
4th Class
34
57
41.3
6
5th Class
5
42
31.3
6
6th Class
3
39
24.7
6
Total
8
359
211.7
13
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).