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
19.20
2025/26
Mainstream classes
10
2025/26
Largest class group
29
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
225
8
28.12
32
3
2007/08
242
9
26.89
33
1
2008/09
275
10
27.50
30
1
2009/10
272
10
27.20
33
2
2010/11
264
10
26.40
33
2
2011/12
252
10
25.20
31
3
2012/13
222
9
24.67
30
1
2013/14
214
8
26.75
33
3
2014/15
197
8
24.62
28
0
2015/16
190
7
27.14
28
0
2016/17
185
7
26.43
28
0
2017/18
197
8
24.62
29
0
2019/20
221
8
27.62
33
3
2020/21
199
8
24.88
34
2
2021/22
188
8
23.50
34
1
2022/23
181
9
20.11
28
0
2023/24
187
9
20.78
30
1
2024/25
186
10
18.60
28
0
2025/26
192
10
19.20
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2008/09: 242 in 2007/08 → 275, +33 pupils.
Biggest loss in a single year: 2012/13: 252 in 2011/12 → 222, -30 pupils.
Largest single-class increase: 3rd Class in 2022/23 (14 → 26, +12).
Largest single-class decrease: 3rd Class in 2021/22 (29 → 14, -15).
Largest cohort-step gain: JI → SI in 2024/25 (25 → 28, +3).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (16 → 14, -2).
Overall: 247 (1974/75) → 192 (2025/26), -55.
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
16
27
22.5
6
Senior Infants
16
28
22.7
6
1st Class
17
29
23.5
6
2nd Class
16
28
21.2
6
3rd Class
14
29
23.0
6
4th Class
17
28
22.7
6
5th Class
17
34
25.5
6
6th Class
19
34
27.8
6
Total
181
294
230.0
43
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).