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
25.25
2025/26
Mainstream classes
8
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
208
7
29.71
35
5
2007/08
213
8
26.62
34
3
2008/09
241
9
26.78
35
4
2009/10
275
11
25.00
34
4
2010/11
288
11
26.18
34
4
2011/12
306
12
25.50
35
1
2012/13
298
12
24.83
34
2
2013/14
293
12
24.42
31
1
2014/15
291
12
24.25
30
1
2015/16
290
12
24.17
39
3
2016/17
283
11
25.73
34
3
2017/18
284
11
25.82
33
2
2019/20
251
10
25.10
33
3
2020/21
244
10
24.40
32
4
2021/22
234
10
23.40
32
2
2022/23
224
9
24.89
32
1
2023/24
210
9
23.33
29
0
2024/25
209
8
26.12
37
1
2025/26
202
8
25.25
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2009/10: 241 in 2008/09 → 275, +34 pupils.
Biggest loss in a single year: 2003/04: 204 in 2002/03 → 186, -18 pupils.
Largest single-class increase: 3rd Class in 2021/22 (30 → 39, +9).
Largest single-class decrease: 2nd Class in 2021/22 (40 → 25, -15).
Largest cohort-step gain: 1st → 2nd in 2025/26 (27 → 29, +2).
Largest cohort-step loss: SI → 1st in 2022/23 (27 → 25, -2).
Overall: 146 (1975/76) → 202 (2025/26), 56.
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
18
28
24.8
6
Senior Infants
20
28
25.2
6
1st Class
20
28
24.7
6
2nd Class
23
40
28.0
6
3rd Class
23
39
27.8
6
4th Class
25
37
29.2
6
5th Class
25
37
30.2
6
6th Class
25
37
30.7
6
Total
144
306
218.3
42
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).