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
26.00
2025/26
Mainstream classes
10
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
3
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
175
7
25.00
29
0
2007/08
193
7
27.57
30
1
2008/09
196
8
24.50
29
0
2009/10
206
8
25.75
33
1
2010/11
221
8
27.62
34
1
2011/12
220
8
27.50
33
2
2012/13
216
8
27.00
33
2
2013/14
219
8
27.38
33
2
2014/15
222
8
27.75
33
2
2015/16
223
8
27.88
33
2
2016/17
221
8
27.62
31
3
2017/18
227
8
28.38
36
3
2019/20
245
9
27.22
33
1
2020/21
241
9
26.78
31
1
2021/22
252
9
28.00
36
2
2022/23
251
10
25.10
34
3
2023/24
251
10
25.10
32
3
2024/25
258
10
25.80
32
3
2025/26
260
10
26.00
32
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2007/08: 175 in 2006/07 → 193, +18 pupils.
Biggest loss in a single year: 1999/00: 141 in 1998/99 → 131, -10 pupils.
Largest single-class increase: 2nd Class in 2021/22 (31 → 41, +10).
Largest single-class decrease: Senior Infants in 2021/22 (42 → 29, -13).
Largest cohort-step gain: JI → SI in 2023/24 (28 → 30, +2).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (41 → 38, -3).
Overall: 137 (1993/94) → 260 (2025/26), 123.
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
36
30.0
6
Senior Infants
26
42
32.2
6
1st Class
28
42
34.0
6
2nd Class
29
41
34.3
6
3rd Class
29
40
33.2
6
4th Class
24
39
31.3
6
5th Class
23
38
30.0
6
6th Class
21
38
27.2
6
Total
126
260
193.5
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).