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
22.75
2025/26
Mainstream classes
16
2025/26
Largest class group
24
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
25
2
12.50
20
0
2013/14
92
4
23.00
26
0
2014/15
156
7
22.29
27
0
2015/16
205
10
20.50
25
0
2016/17
283
12
23.58
26
0
2017/18
343
14
24.50
32
1
2019/20
378
15
25.20
28
0
2020/21
431
17
25.35
27
0
2021/22
412
17
24.24
27
0
2022/23
404
16
25.25
27
0
2023/24
376
16
23.50
26
0
2024/25
366
16
22.88
24
0
2025/26
364
16
22.75
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 205 in 2015/16 → 289, +84 pupils.
Biggest loss in a single year: 2023/24: 416 in 2022/23 → 388, -28 pupils.
Largest single-class increase: Senior Infants in 2021/22 (51 → 59, +8).
Largest single-class decrease: Junior Infants in 2021/22 (64 → 51, -13).
Largest cohort-step gain: 3rd → 4th in 2025/26 (46 → 49, +3).
Largest cohort-step loss: SI → 1st in 2022/23 (59 → 52, -7).
Overall: 25 (2012/13) → 376 (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
44
64
50.7
6
Senior Infants
46
59
49.7
6
1st Class
46
54
48.5
6
2nd Class
45
54
48.8
6
3rd Class
46
54
49.7
6
4th Class
45
54
50.0
6
5th Class
44
52
49.0
6
6th Class
45
52
48.0
6
Total
25
443
307.6
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).