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
18.75
2025/26
Mainstream classes
20
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+
2006/07
232
9
25.78
34
2
2007/08
235
10
23.50
28
0
2008/09
231
10
23.10
28
0
2009/10
233
10
23.30
31
1
2010/11
261
11
23.73
31
1
2011/12
296
11
26.91
33
1
2012/13
301
11
27.36
36
3
2013/14
316
11
28.73
33
4
2014/15
319
12
26.58
33
2
2015/16
322
12
26.83
30
2
2016/17
330
12
27.50
33
5
2017/18
331
12
27.58
34
3
2019/20
356
14
25.43
35
2
2020/21
358
14
25.57
35
3
2021/22
372
14
26.57
31
3
2022/23
366
19
19.26
22
0
2023/24
387
20
19.35
24
0
2024/25
371
20
18.55
24
0
2025/26
375
20
18.75
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 321 in 2018/19 → 356, +35 pupils.
Biggest loss in a single year: 2024/25: 394 in 2023/24 → 382, -12 pupils.
Largest single-class increase: 4th Class in 2023/24 (31 → 57, +26).
Largest single-class decrease: 4th Class in 2022/23 (57 → 31, -26).
Largest cohort-step gain: SI → 1st in 2024/25 (39 → 52, +13).
Largest cohort-step loss: 1st → 2nd in 2025/26 (52 → 48, -4).
Overall: 240 (2001/02) → 385 (2025/26), 145.
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
36
53
44.3
6
Senior Infants
39
52
43.7
6
1st Class
44
60
48.8
6
2nd Class
31
63
47.7
6
3rd Class
31
60
48.2
6
4th Class
31
61
48.0
6
5th Class
33
58
46.8
6
6th Class
32
57
47.7
6
Total
240
394
310.3
25
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).