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
22.92
2025/26
Mainstream classes
12
2025/26
Largest class group
29
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
177
6
29.50
32
4
2007/08
179
7
25.57
28
0
2008/09
189
7
27.00
30
3
2009/10
193
7
27.57
30
1
2010/11
207
7
29.57
32
4
2011/12
213
8
26.62
34
2
2012/13
218
8
27.25
33
3
2013/14
226
8
28.25
36
4
2014/15
249
9
27.67
32
2
2015/16
277
9
30.78
33
7
2016/17
287
10
28.70
33
4
2017/18
304
11
27.64
34
4
2019/20
320
12
26.67
30
3
2020/21
336
12
28.00
34
4
2021/22
321
13
24.69
31
2
2022/23
310
13
23.85
30
2
2023/24
294
13
22.62
29
0
2024/25
301
12
25.08
30
2
2025/26
275
12
22.92
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 249 in 2014/15 → 277, +28 pupils.
Biggest loss in a single year: 1993/94: 185 in 1982/83 → 142, -43 pupils.
Largest single-class increase: 3rd Class in 2024/25 (34 → 47, +13).
Largest single-class decrease: Junior Infants in 2021/22 (46 → 34, -12).
Largest cohort-step gain: 1st → 2nd in 2024/25 (36 → 41, +5).
Largest cohort-step loss: 5th → 6th in 2021/22 (46 → 42, -4).
Overall: 202 (1975/76) → 275 (2025/26), 73.
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
19
46
31.5
6
Senior Infants
27
46
35.0
6
1st Class
33
46
36.7
6
2nd Class
31
49
39.8
6
3rd Class
34
47
40.5
6
4th Class
35
47
41.0
6
5th Class
34
46
40.5
6
6th Class
33
45
41.2
6
Total
98
336
202.9
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).