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
19.07
2025/26
Mainstream classes
14
2025/26
Largest class group
27
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
215
10
21.50
27
0
2007/08
241
11
21.91
26
0
2008/09
266
13
20.46
25
0
2009/10
250
13
19.23
26
0
2010/11
227
12
18.92
26
0
2011/12
221
11
20.09
31
1
2012/13
223
11
20.27
31
1
2013/14
235
11
21.36
31
1
2014/15
243
11
22.09
29
0
2015/16
267
12
22.25
33
1
2016/17
269
14
19.21
27
0
2017/18
281
13
21.62
29
0
2019/20
275
13
21.15
29
0
2020/21
250
13
19.23
25
0
2021/22
237
12
19.75
33
1
2022/23
229
12
19.08
30
1
2023/24
247
12
20.58
30
1
2024/25
275
13
21.15
30
1
2025/26
267
14
19.07
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 252 in 2023/24 → 281, +29 pupils.
Biggest loss in a single year: 2020/21: 275 in 2019/20 → 250, -25 pupils.
Largest single-class increase: Senior Infants in 2023/24 (26 → 39, +13).
Largest single-class decrease: 4th Class in 2021/22 (40 → 24, -16).
Largest cohort-step gain: 3rd → 4th in 2025/26 (31 → 37, +6).
Largest cohort-step loss: 1st → 2nd in 2025/26 (45 → 34, -11).
Overall: 254 (1995/96) → 279 (2025/26), 25.
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
22
43
33.3
6
Senior Infants
26
40
34.7
6
1st Class
26
45
35.5
6
2nd Class
22
34
29.5
6
3rd Class
24
33
28.8
6
4th Class
24
40
31.3
6
5th Class
24
36
30.3
6
6th Class
23
37
29.3
6
Total
201
281
242.9
31
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).