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
23.00
2025/26
Mainstream classes
7
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
209
7
29.86
32
4
2007/08
217
8
27.12
34
2
2008/09
211
8
26.38
33
2
2009/10
210
8
26.25
33
1
2010/11
211
8
26.38
32
2
2011/12
212
8
26.50
31
2
2012/13
208
8
26.00
31
1
2013/14
204
8
25.50
30
1
2014/15
203
7
29.00
33
3
2015/16
206
7
29.43
33
4
2016/17
208
8
26.00
31
1
2017/18
205
8
25.62
30
1
2019/20
197
8
24.62
28
0
2020/21
197
10
19.70
28
0
2021/22
192
11
17.45
28
0
2022/23
187
7
26.71
31
3
2023/24
178
8
22.25
25
0
2024/25
172
7
24.57
28
0
2025/26
161
7
23.00
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1980/81: 174 in 1979/80 → 195, +21 pupils.
Biggest loss in a single year: 1996/97: 184 in 1995/96 → 167, -17 pupils.
Largest single-class increase: Senior Infants in 2025/26 (21 → 27, +6).
Largest single-class decrease: Junior Infants in 2025/26 (21 → 12, -9).
Largest cohort-step gain: JI → SI in 2025/26 (21 → 27, +6).
Largest cohort-step loss: JI → SI in 2023/24 (19 → 17, -2).
Overall: 134 (1974/75) → 172 (2025/26), 38.
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
12
24
20.2
6
Senior Infants
17
27
21.8
6
1st Class
17
24
21.5
6
2nd Class
21
25
23.3
6
3rd Class
21
27
23.8
6
4th Class
20
28
23.5
6
5th Class
20
28
23.8
6
6th Class
20
28
25.0
6
Total
134
217
188.3
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).