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
15.20
2025/26
Mainstream classes
15
2025/26
Largest class group
20
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
273
13
21.00
29
0
2007/08
288
14
20.57
26
0
2008/09
289
14
20.64
31
1
2009/10
284
14
20.29
28
0
2010/11
273
14
19.50
28
0
2011/12
297
14
21.21
29
0
2012/13
295
13
22.69
30
1
2013/14
310
13
23.85
30
1
2014/15
306
13
23.54
30
1
2015/16
298
13
22.92
30
1
2016/17
276
13
21.23
23
0
2017/18
270
13
20.77
26
0
2019/20
275
13
21.15
27
0
2020/21
267
13
20.54
25
0
2021/22
268
13
20.62
29
0
2022/23
271
16
16.94
21
0
2023/24
295
16
18.44
26
0
2024/25
247
18
13.72
17
0
2025/26
228
15
15.20
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2023/24: 276 in 2022/23 → 301, +25 pupils.
Biggest loss in a single year: 1997/98: 479 in 1996/97 → 428, -51 pupils.
Largest single-class increase: 2nd Class in 2022/23 (14 → 35, +21).
Largest single-class decrease: Junior Infants in 2024/25 (52 → 30, -22).
Largest cohort-step gain: JI → SI in 2023/24 (43 → 50, +7).
Largest cohort-step loss: 1st → 2nd in 2024/25 (62 → 22, -40).
Overall: 486 (1993/94) → 237 (2025/26), -249.
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
30
53
42.7
6
Senior Infants
34
56
46.7
6
1st Class
44
62
49.2
6
2nd Class
14
35
21.8
6
3rd Class
16
37
23.7
6
4th Class
20
34
24.5
6
5th Class
19
37
26.8
6
6th Class
20
37
28.8
6
Total
237
486
321.7
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).