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
23.75
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+
2006/07
212
8
26.50
30
1
2007/08
218
8
27.25
32
2
2008/09
243
9
27.00
31
4
2009/10
248
9
27.56
31
2
2010/11
273
10
27.30
31
2
2011/12
301
11
27.36
30
3
2012/13
338
12
28.17
31
4
2013/14
364
13
28.00
32
4
2014/15
397
14
28.36
33
6
2015/16
424
15
28.27
32
7
2016/17
426
15
28.40
31
9
2017/18
449
16
28.06
31
8
2019/20
450
16
28.12
31
4
2020/21
433
16
27.06
30
1
2021/22
429
16
26.81
30
1
2022/23
412
16
25.75
29
0
2023/24
403
16
25.19
30
1
2024/25
385
16
24.06
27
0
2025/26
380
16
23.75
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 301 in 2011/12 → 338, +37 pupils.
Biggest loss in a single year: 2004/05: 240 in 2003/04 → 215, -25 pupils.
Largest single-class increase: 3rd Class in 2024/25 (43 → 52, +9).
Largest single-class decrease: 1st Class in 2024/25 (52 → 42, -10).
Largest cohort-step gain: JI → SI in 2021/22 (52 → 53, +1).
Largest cohort-step loss: 1st → 2nd in 2024/25 (52 → 49, -3).
Overall: 170 (1993/94) → 380 (2025/26), 210.
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
47
52
50.5
6
Senior Infants
44
53
49.8
6
1st Class
42
53
49.2
6
2nd Class
41
57
49.3
6
3rd Class
43
57
50.7
6
4th Class
42
58
52.0
6
5th Class
42
58
52.0
6
6th Class
48
58
53.5
6
Total
170
450
313.5
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).