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
24.33
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
147
6
24.50
25
0
2007/08
154
6
25.67
30
1
2008/09
181
7
25.86
31
3
2009/10
187
7
26.71
30
3
2010/11
193
7
27.57
31
3
2011/12
210
7
30.00
37
4
2012/13
213
8
26.62
32
3
2013/14
220
8
27.50
31
4
2014/15
220
8
27.50
32
3
2015/16
227
8
28.38
31
4
2016/17
220
8
27.50
31
2
2017/18
212
8
26.50
31
3
2019/20
194
8
24.25
32
2
2020/21
195
7
27.86
31
3
2021/22
190
8
23.75
30
1
2022/23
220
8
27.50
32
3
2023/24
227
9
25.22
32
3
2024/25
216
10
21.60
32
1
2025/26
219
9
24.33
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2022/23: 200 in 2021/22 → 231, +31 pupils.
Biggest loss in a single year: 1993/94: 144 in 1982/83 → 77, -67 pupils.
Largest single-class increase: 4th Class in 2025/26 (21 → 35, +14).
Largest single-class decrease: Junior Infants in 2021/22 (29 → 20, -9).
Largest cohort-step gain: 5th → 6th in 2022/23 (23 → 32, +9).
Largest cohort-step loss: 3rd → 4th in 2024/25 (25 → 21, -4).
Overall: 122 (1974/75) → 231 (2025/26), 109.
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
20
30
27.7
6
Senior Infants
18
30
26.5
6
1st Class
20
32
25.8
6
2nd Class
22
32
25.3
6
3rd Class
23
32
25.8
6
4th Class
21
35
26.2
6
5th Class
22
30
26.7
6
6th Class
26
32
29.2
6
Total
77
239
157.7
42
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).