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
23.62
2025/26
Mainstream classes
16
2025/26
Largest class group
27
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+
2007/08
128
7
18.29
22
0
2008/09
204
10
20.40
27
0
2009/10
230
10
23.00
30
1
2010/11
273
11
24.82
32
1
2011/12
326
13
25.08
28
0
2012/13
348
14
24.86
29
0
2013/14
373
15
24.87
31
2
2014/15
403
16
25.19
29
0
2015/16
430
16
26.88
30
2
2016/17
424
16
26.50
30
1
2017/18
430
16
26.88
29
0
2019/20
409
16
25.56
29
0
2020/21
414
16
25.88
29
0
2021/22
406
16
25.38
29
0
2022/23
403
16
25.19
28
0
2023/24
398
16
24.88
27
0
2024/25
387
16
24.19
27
0
2025/26
378
16
23.62
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2008/09: 128 in 2007/08 → 204, +76 pupils.
Biggest loss in a single year: 2024/25: 402 in 2023/24 → 391, -11 pupils.
Largest single-class increase: 2nd Class in 2021/22 (47 → 57, +10).
Largest single-class decrease: Senior Infants in 2024/25 (51 → 42, -9).
Largest cohort-step gain: 1st → 2nd in 2023/24 (46 → 51, +5).
Largest cohort-step loss: SI → 1st in 2024/25 (51 → 48, -3).
Overall: 128 (2007/08) → 382 (2025/26), 254.
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
42
48
44.5
6
Senior Infants
42
51
45.8
6
1st Class
41
57
48.2
6
2nd Class
47
57
51.0
6
3rd Class
49
56
51.8
6
4th Class
48
53
51.0
6
5th Class
51
56
52.8
6
6th Class
52
55
53.8
6
Total
128
430
358.6
19
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).