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
25.38
2025/26
Mainstream classes
8
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
2
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
226
8
28.25
32
3
2007/08
226
8
28.25
31
3
2008/09
211
8
26.38
29
0
2009/10
213
8
26.62
31
2
2010/11
212
8
26.50
31
3
2011/12
214
8
26.75
32
3
2012/13
220
8
27.50
32
2
2013/14
230
8
28.75
35
3
2014/15
236
8
29.50
34
4
2015/16
244
8
30.50
36
4
2016/17
273
9
30.33
36
3
2017/18
277
9
30.78
36
4
2019/20
274
9
30.44
36
6
2020/21
261
9
29.00
35
5
2021/22
255
9
28.33
33
4
2022/23
240
9
26.67
32
3
2023/24
238
9
26.44
31
3
2024/25
221
8
27.62
31
3
2025/26
203
8
25.38
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 89 in 1999/00 → 121, +32 pupils.
Biggest loss in a single year: 2024/25: 238 in 2023/24 → 221, -17 pupils.
Largest single-class increase: 4th Class in 2021/22 (26 → 46, +20).
Largest single-class decrease: 3rd Class in 2021/22 (47 → 32, -15).
Largest cohort-step gain: 5th → 6th in 2024/25 (30 → 31, +1).
Largest cohort-step loss: 4th → 5th in 2022/23 (46 → 42, -4).
Overall: 23 (1996/97) → 209 (2025/26), 186.
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
23
28
25.8
6
Senior Infants
24
35
27.8
6
1st Class
24
33
28.2
6
2nd Class
23
32
28.5
6
3rd Class
25
47
32.3
6
4th Class
23
46
31.3
6
5th Class
26
42
31.7
6
6th Class
25
42
31.7
6
Total
23
277
202.2
30
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).