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
24.50
2025/26
Mainstream classes
8
2025/26
Largest class group
28
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
165
6
27.50
31
2
2007/08
174
6
29.00
33
2
2008/09
189
7
27.00
33
2
2009/10
208
7
29.71
33
5
2010/11
206
8
25.75
31
1
2011/12
199
8
24.88
31
1
2012/13
194
7
27.71
30
1
2013/14
194
7
27.71
30
1
2014/15
207
7
29.57
33
4
2015/16
211
8
26.38
32
2
2016/17
208
8
26.00
33
1
2017/18
214
8
26.75
31
2
2019/20
215
8
26.88
31
4
2020/21
210
8
26.25
32
2
2021/22
206
8
25.75
32
2
2022/23
206
8
25.75
33
2
2023/24
197
8
24.62
30
1
2024/25
198
8
24.75
30
1
2025/26
196
8
24.50
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2009/10: 189 in 2008/09 → 208, +19 pupils.
Biggest loss in a single year: 1998/99: 196 in 1997/98 → 177, -19 pupils.
Largest single-class increase: Junior Infants in 2022/23 (18 → 26, +8).
Largest single-class decrease: 4th Class in 2023/24 (30 → 21, -9).
Largest cohort-step gain: 2nd → 3rd in 2023/24 (23 → 26, +3).
Largest cohort-step loss: 1st → 2nd in 2023/24 (27 → 26, -1).
Overall: 228 (1975/76) → 196 (2025/26), -32.
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
26
23.0
6
Senior Infants
19
27
22.3
6
1st Class
18
27
22.3
6
2nd Class
21
29
24.5
6
3rd Class
21
29
25.5
6
4th Class
21
32
27.5
6
5th Class
24
32
28.2
6
6th Class
25
33
28.8
6
Total
154
261
204.4
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).