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
24.75
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
140
5
28.00
31
2
2007/08
148
5
29.60
33
3
2008/09
147
6
24.50
29
0
2009/10
152
6
25.33
26
0
2010/11
161
6
26.83
29
0
2011/12
167
6
27.83
30
1
2012/13
184
7
26.29
29
0
2013/14
190
7
27.14
35
1
2014/15
206
7
29.43
34
4
2015/16
208
8
26.00
33
2
2016/17
216
8
27.00
34
2
2017/18
212
8
26.50
32
2
2019/20
215
8
26.88
32
2
2020/21
208
8
26.00
32
1
2021/22
205
8
25.62
32
1
2022/23
199
8
24.88
28
0
2023/24
200
8
25.00
29
0
2024/25
204
8
25.50
29
0
2025/26
198
8
24.75
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 82 in 1982/83 → 115, +33 pupils.
Biggest loss in a single year: 1999/00: 122 in 1998/99 → 114, -8 pupils.
Largest single-class increase: Junior Infants in 2021/22 (18 → 25, +7).
Largest single-class decrease: 5th Class in 2021/22 (32 → 24, -8).
Largest cohort-step gain: SI → 1st in 2023/24 (25 → 29, +4).
Largest cohort-step loss: SI → 1st in 2025/26 (20 → 17, -3).
Overall: 57 (1975/76) → 198 (2025/26), 141.
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
27
22.3
6
Senior Infants
20
27
23.3
6
1st Class
17
29
24.5
6
2nd Class
23
29
26.2
6
3rd Class
24
27
25.7
6
4th Class
22
29
25.5
6
5th Class
24
32
27.3
6
6th Class
24
32
27.5
6
Total
55
222
143.3
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).