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
24.67
2025/26
Mainstream classes
9
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
164
6
27.33
33
3
2007/08
160
6
26.67
32
2
2008/09
165
6
27.50
32
2
2009/10
166
6
27.67
28
0
2010/11
175
6
29.17
32
3
2011/12
165
7
23.57
29
0
2012/13
170
6
28.33
30
1
2013/14
171
6
28.50
32
3
2014/15
173
6
28.83
31
3
2015/16
189
7
27.00
33
2
2016/17
196
7
28.00
32
4
2017/18
209
7
29.86
33
4
2019/20
203
8
25.38
30
1
2020/21
203
8
25.38
30
1
2021/22
200
8
25.00
29
0
2022/23
197
8
24.62
31
1
2023/24
192
8
24.00
28
0
2024/25
211
8
26.38
31
2
2025/26
222
9
24.67
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 163 in 1983/84 → 202, +39 pupils.
Biggest loss in a single year: 1999/00: 194 in 1998/99 → 180, -14 pupils.
Largest single-class increase: 5th Class in 2024/25 (20 → 31, +11).
Largest single-class decrease: 4th Class in 2022/23 (29 → 19, -10).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (24 → 31, +7).
Largest cohort-step loss: 3rd → 4th in 2025/26 (31 → 28, -3).
Overall: 123 (1974/75) → 228 (2025/26), 105.
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
34
25.8
6
Senior Infants
22
33
24.8
6
1st Class
21
29
24.8
6
2nd Class
20
29
24.3
6
3rd Class
20
31
25.8
6
4th Class
19
30
26.8
6
5th Class
20
31
26.2
6
6th Class
22
31
26.5
6
Total
123
228
177.2
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).