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
24.88
2025/26
Mainstream classes
16
2025/26
Largest class group
28
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
207
8
25.88
28
0
2007/08
205
8
25.62
30
1
2008/09
207
8
25.88
29
0
2009/10
210
8
26.25
30
1
2010/11
213
8
26.62
31
2
2011/12
244
9
27.11
30
2
2012/13
245
9
27.22
30
4
2013/14
271
10
27.10
33
3
2014/15
296
11
26.91
31
2
2015/16
321
12
26.75
31
2
2016/17
346
13
26.62
33
2
2017/18
371
14
26.50
32
1
2019/20
381
15
25.40
30
1
2020/21
407
16
25.44
27
0
2021/22
401
16
25.06
27
0
2022/23
397
16
24.81
27
0
2023/24
394
16
24.62
28
0
2024/25
395
16
24.69
28
0
2025/26
398
16
24.88
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2011/12: 213 in 2010/11 → 244, +31 pupils.
Biggest loss in a single year: 1999/00: 197 in 1998/99 → 180, -17 pupils.
Largest single-class increase: 2nd Class in 2024/25 (43 → 54, +11).
Largest single-class decrease: 1st Class in 2024/25 (54 → 45, -9).
Largest cohort-step gain: SI → 1st in 2023/24 (50 → 54, +4).
Largest cohort-step loss: SI → 1st in 2021/22 (52 → 47, -5).
Overall: 211 (1993/94) → 398 (2025/26), 187.
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
45
52
49.8
6
Senior Infants
46
52
49.8
6
1st Class
45
54
49.0
6
2nd Class
43
54
49.0
6
3rd Class
45
53
50.3
6
4th Class
42
54
50.0
6
5th Class
49
53
51.3
6
6th Class
46
52
49.3
6
Total
180
407
268.8
33
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).