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
24.33
2025/26
Mainstream classes
9
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
1
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
298
11
27.09
34
3
2007/08
284
11
25.82
34
3
2008/09
284
11
25.82
36
2
2009/10
268
10
26.80
36
2
2010/11
254
10
25.40
34
3
2011/12
246
9
27.33
34
4
2012/13
242
9
26.89
31
3
2013/14
258
9
28.67
33
5
2014/15
255
9
28.33
35
4
2015/16
280
10
28.00
35
3
2016/17
281
10
28.10
36
3
2017/18
273
11
24.82
30
1
2019/20
250
11
22.73
31
2
2020/21
251
10
25.10
30
1
2021/22
235
10
23.50
30
2
2022/23
221
9
24.56
31
2
2023/24
232
9
25.78
33
3
2024/25
226
9
25.11
32
3
2025/26
219
9
24.33
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1976/77: 330 in 1974/75 → 355, +25 pupils.
Biggest loss in a single year: 2019/20: 278 in 2018/19 → 250, -28 pupils.
Largest single-class increase: Senior Infants in 2021/22 (23 → 43, +20).
Largest single-class decrease: Junior Infants in 2021/22 (49 → 26, -23).
Largest cohort-step gain: 2nd → 3rd in 2023/24 (15 → 24, +9).
Largest cohort-step loss: 1st → 2nd in 2021/22 (44 → 30, -14).
Overall: 330 (1974/75) → 219 (2025/26), -111.
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
20
49
30.0
6
Senior Infants
21
43
29.3
6
1st Class
27
44
34.7
6
2nd Class
15
30
25.0
6
3rd Class
24
30
26.7
6
4th Class
24
33
27.7
6
5th Class
23
32
28.2
6
6th Class
26
32
29.2
6
Total
219
360
289.6
42
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).