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
23.19
2025/26
Mainstream classes
16
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+
2010/11
27
1
27.00
27
0
2011/12
56
3
18.67
20
0
2012/13
112
4
28.00
30
1
2013/14
183
7
26.14
32
1
2014/15
238
9
26.44
32
2
2015/16
296
11
26.91
30
1
2016/17
355
13
27.31
30
1
2017/18
388
14
27.71
29
0
2019/20
439
16
27.44
29
0
2020/21
418
16
26.12
28
0
2021/22
397
16
24.81
28
0
2022/23
375
16
23.44
25
0
2023/24
371
16
23.19
26
0
2024/25
371
16
23.19
27
0
2025/26
371
16
23.19
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 116 in 2012/13 → 187, +71 pupils.
Biggest loss in a single year: 2022/23: 409 in 2021/22 → 384, -25 pupils.
Largest single-class increase: 4th Class in 2023/24 (41 → 51, +10).
Largest single-class decrease: Junior Infants in 2025/26 (49 → 37, -12).
Largest cohort-step gain: 4th → 5th in 2023/24 (41 → 47, +6).
Largest cohort-step loss: SI → 1st in 2021/22 (58 → 52, -6).
Overall: 27 (2010/11) → 383 (2025/26), 356.
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
37
51
46.7
6
Senior Infants
41
58
47.8
6
1st Class
43
56
48.5
6
2nd Class
48
56
49.8
6
3rd Class
46
53
49.0
6
4th Class
41
54
48.8
6
5th Class
47
53
50.3
6
6th Class
46
53
49.7
6
Total
27
451
309.3
16
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).