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
23.12
2025/26
Mainstream classes
8
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
207
7
29.57
35
4
2007/08
210
8
26.25
31
1
2008/09
228
8
28.50
35
5
2009/10
224
8
28.00
36
5
2010/11
232
8
29.00
35
4
2011/12
259
9
28.78
36
5
2012/13
251
10
25.10
35
2
2013/14
253
9
28.11
35
5
2014/15
250
9
27.78
33
5
2015/16
264
9
29.33
34
6
2016/17
275
10
27.50
34
5
2017/18
284
10
28.40
34
4
2019/20
260
11
23.64
32
2
2020/21
265
10
26.50
33
4
2021/22
253
11
23.00
30
3
2022/23
240
10
24.00
30
1
2023/24
204
10
20.40
28
0
2024/25
191
8
23.88
30
1
2025/26
185
8
23.12
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2011/12: 232 in 2010/11 → 259, +27 pupils.
Biggest loss in a single year: 1993/94: 273 in 1983/84 → 198, -75 pupils.
Largest single-class increase: 5th Class in 2021/22 (33 → 45, +12).
Largest single-class decrease: 5th Class in 2023/24 (40 → 28, -12).
Largest cohort-step gain: 1st → 2nd in 2025/26 (19 → 23, +4).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (26 → 24, -2).
Overall: 255 (1974/75) → 197 (2025/26), -58.
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
29
24.0
6
Senior Infants
16
28
24.0
6
1st Class
18
28
23.8
6
2nd Class
23
31
26.7
6
3rd Class
24
39
28.5
6
4th Class
25
46
31.7
6
5th Class
24
45
32.7
6
6th Class
26
44
34.7
6
Total
171
284
229.9
43
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).