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
24.40
2025/26
Mainstream classes
10
2025/26
Largest class group
30
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
233
9
25.89
35
2
2007/08
229
9
25.44
31
1
2008/09
228
9
25.33
32
2
2009/10
233
9
25.89
42
2
2010/11
226
9
25.11
31
1
2011/12
224
9
24.89
32
1
2012/13
227
8
28.38
37
3
2013/14
234
8
29.25
37
4
2014/15
239
9
26.56
37
3
2015/16
243
9
27.00
37
4
2016/17
245
9
27.22
36
4
2017/18
248
9
27.56
36
3
2019/20
254
9
28.22
35
4
2020/21
256
10
25.60
33
4
2021/22
258
10
25.80
30
3
2022/23
259
10
25.90
30
2
2023/24
263
10
26.30
30
3
2024/25
253
10
25.30
36
2
2025/26
244
10
24.40
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1983/84: 279 in 1982/83 → 330, +51 pupils.
Biggest loss in a single year: 1993/94: 330 in 1983/84 → 306, -24 pupils.
Largest single-class increase: 3rd Class in 2021/22 (30 → 38, +8).
Largest single-class decrease: Senior Infants in 2021/22 (37 → 25, -12).
Largest cohort-step gain: 1st → 2nd in 2021/22 (36 → 40, +4).
Largest cohort-step loss: JI → SI in 2024/25 (32 → 29, -3).
Overall: 157 (1976/77) → 244 (2025/26), 87.
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
24
32
27.2
6
Senior Infants
25
37
29.3
6
1st Class
26
37
30.8
6
2nd Class
26
40
32.2
6
3rd Class
27
42
33.7
6
4th Class
29
42
34.0
6
5th Class
30
42
34.7
6
6th Class
30
42
33.7
6
Total
157
330
253.3
41
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).