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
22.08
2025/26
Mainstream classes
24
2025/26
Largest class group
26
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+
2012/13
7
1
7.00
7
0
2013/14
42
3
14.00
17
0
2014/15
82
4
20.50
25
0
2015/16
120
4
30.00
32
2
2016/17
153
6
25.50
31
1
2017/18
193
7
27.57
30
2
2019/20
325
13
25.00
29
0
2020/21
359
15
23.93
29
0
2021/22
401
17
23.59
29
0
2022/23
427
18
23.72
29
0
2023/24
474
20
23.70
29
0
2024/25
502
22
22.82
28
0
2025/26
530
24
22.08
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2018/19: 193 in 2017/18 → 269, +76 pupils.
Largest single-class increase: 6th Class in 2025/26 (28 → 79, +51).
Largest single-class decrease: 5th Class in 2021/22 (46 → 27, -19).
Largest cohort-step gain: 5th → 6th in 2025/26 (71 → 79, +8).
Largest cohort-step loss: JI → SI in 2025/26 (63 → 59, -4).
Overall: 7 (2012/13) → 542 (2025/26), 535.
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
55
68
64.2
6
Senior Infants
59
71
65.8
6
1st Class
66
70
68.3
6
2nd Class
29
72
62.0
6
3rd Class
28
71
55.7
6
4th Class
28
74
50.3
6
5th Class
27
72
45.5
6
6th Class
26
79
39.0
6
Total
7
542
283.4
14
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).