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
17.85
2025/26
Mainstream classes
13
2025/26
Largest class group
22
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
75
5
15.00
24
0
2007/08
94
5
18.80
26
0
2008/09
96
5
19.20
23
0
2009/10
94
5
18.80
22
0
2010/11
104
5
20.80
25
0
2011/12
126
6
21.00
26
0
2012/13
118
6
19.67
23
0
2013/14
120
6
20.00
24
0
2014/15
146
7
20.86
27
0
2015/16
162
7
23.14
29
0
2016/17
158
8
19.75
24
0
2017/18
157
8
19.62
23
0
2019/20
190
9
21.11
26
0
2020/21
201
10
20.10
26
0
2021/22
199
10
19.90
25
0
2022/23
212
10
21.20
27
0
2023/24
213
11
19.36
27
0
2024/25
223
13
17.15
25
0
2025/26
232
13
17.85
22
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 159 in 2018/19 → 190, +31 pupils.
Biggest loss in a single year: 2001/02: 113 in 2000/01 → 92, -21 pupils.
Largest single-class increase: 2nd Class in 2024/25 (18 → 40, +22).
Largest single-class decrease: 1st Class in 2025/26 (34 → 17, -17).
Largest cohort-step gain: JI → SI in 2025/26 (22 → 28, +6).
Largest cohort-step loss: 5th → 6th in 2021/22 (36 → 32, -4).
Overall: 128 (1999/00) → 250 (2025/26), 122.
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
16
35
26.0
6
Senior Infants
16
36
27.0
6
1st Class
17
38
27.2
6
2nd Class
18
40
28.7
6
3rd Class
21
42
28.0
6
4th Class
20
35
26.0
6
5th Class
21
37
29.7
6
6th Class
23
36
27.7
6
Total
82
250
142.9
27
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).