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
17.22
2025/26
Mainstream classes
9
2025/26
Largest class group
20
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
246
12
20.50
25
0
2007/08
248
12
20.67
24
0
2008/09
240
12
20.00
23
0
2009/10
197
12
16.42
21
0
2010/11
158
10
15.80
18
0
2011/12
156
8
19.50
21
0
2012/13
155
8
19.38
21
0
2013/14
143
8
17.88
24
0
2014/15
123
7
17.57
22
0
2015/16
128
6
21.33
25
0
2016/17
127
7
18.14
24
0
2017/18
115
6
19.17
26
0
2019/20
122
6
20.33
26
0
2020/21
128
7
18.29
27
0
2021/22
140
7
20.00
25
0
2022/23
169
8
21.12
31
1
2023/24
168
9
18.67
21
0
2024/25
163
9
18.11
21
0
2025/26
155
9
17.22
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 189 in 2000/01 → 229, +40 pupils.
Biggest loss in a single year: 2009/10: 244 in 2008/09 → 197, -47 pupils.
Largest single-class increase: Senior Infants in 2022/23 (21 → 35, +14).
Largest single-class decrease: 2nd Class in 2025/26 (34 → 16, -18).
Largest cohort-step gain: 4th → 5th in 2022/23 (15 → 20, +5).
Largest cohort-step loss: SI → 1st in 2021/22 (21 → 17, -4).
Overall: 174 (1996/97) → 168 (2025/26), -6.
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
33
22.0
6
Senior Infants
19
35
22.3
6
1st Class
14
35
21.3
6
2nd Class
16
34
21.2
6
3rd Class
15
34
21.2
6
4th Class
11
23
17.2
6
5th Class
9
20
15.8
6
6th Class
10
20
15.3
6
Total
118
256
176.5
30
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).