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
20.10
2025/26
Mainstream classes
10
2025/26
Largest class group
26
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
243
9
27.00
34
3
2007/08
238
10
23.80
31
1
2008/09
250
10
25.00
33
1
2009/10
226
10
22.60
28
0
2010/11
218
9
24.22
32
2
2011/12
216
9
24.00
29
0
2012/13
225
9
25.00
32
1
2013/14
218
9
24.22
29
0
2014/15
215
9
23.89
29
0
2015/16
223
9
24.78
32
1
2016/17
217
9
24.11
34
1
2017/18
234
9
26.00
34
2
2019/20
222
9
24.67
29
0
2020/21
224
9
24.89
29
0
2021/22
218
9
24.22
33
1
2022/23
230
9
25.56
32
2
2023/24
235
10
23.50
30
1
2024/25
217
10
21.70
30
1
2025/26
201
10
20.10
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2006/07: 244 in 2005/06 → 262, +18 pupils.
Biggest loss in a single year: 2009/10: 269 in 2008/09 → 241, -28 pupils.
Largest single-class increase: 2nd Class in 2025/26 (25 → 38, +13).
Largest single-class decrease: 2nd Class in 2021/22 (36 → 20, -16).
Largest cohort-step gain: 3rd → 4th in 2025/26 (24 → 30, +6).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (27 → 24, -3).
Overall: 379 (1993/94) → 217 (2025/26), -162.
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
21
33
24.3
6
Senior Infants
22
35
26.5
6
1st Class
21
36
26.7
6
2nd Class
20
38
29.2
6
3rd Class
20
35
27.5
6
4th Class
21
36
30.0
6
5th Class
21
37
29.3
6
6th Class
23
38
30.0
6
Total
217
379
266.2
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).