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
17.12
2025/26
Mainstream classes
16
2025/26
Largest class group
21
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
217
10
21.70
26
0
2007/08
205
10
20.50
26
0
2008/09
200
9
22.22
25
0
2009/10
195
10
19.50
25
0
2010/11
205
10
20.50
25
0
2011/12
214
10
21.40
28
0
2012/13
223
11
20.27
25
0
2013/14
262
14
18.71
23
0
2014/15
289
15
19.27
25
0
2015/16
304
15
20.27
26
0
2016/17
324
16
20.25
25
0
2017/18
332
15
22.13
25
0
2019/20
338
16
21.12
23
0
2020/21
325
16
20.31
23
0
2021/22
313
16
19.56
23
0
2022/23
302
16
18.88
22
0
2023/24
288
16
18.00
24
0
2024/25
290
15
19.33
31
1
2025/26
274
16
17.12
21
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 232 in 2012/13 → 273, +41 pupils.
Biggest loss in a single year: 1998/99: 208 in 1997/98 → 190, -18 pupils.
Largest single-class increase: 5th Class in 2023/24 (32 → 42, +10).
Largest single-class decrease: Senior Infants in 2023/24 (41 → 31, -10).
Largest cohort-step gain: 1st → 2nd in 2025/26 (30 → 32, +2).
Largest cohort-step loss: JI → SI in 2023/24 (36 → 31, -5).
Overall: 216 (1993/94) → 284 (2025/26), 68.
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
32
41
36.8
6
Senior Infants
31
44
38.0
6
1st Class
30
42
36.5
6
2nd Class
32
44
39.0
6
3rd Class
35
44
38.8
6
4th Class
33
42
37.0
6
5th Class
32
42
37.0
6
6th Class
32
44
37.8
6
Total
185
344
249.1
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).