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
24.43
2025/26
Mainstream classes
7
2025/26
Largest class group
35
2025/26
Classes with 30+ pupils
2
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
101
4
25.25
32
1
2007/08
107
4
26.75
29
0
2008/09
123
5
24.60
30
1
2009/10
122
5
24.40
29
0
2010/11
133
5
26.60
32
2
2011/12
146
5
29.20
32
3
2012/13
149
6
24.83
32
1
2013/14
163
6
27.17
32
2
2014/15
168
6
28.00
33
2
2015/16
179
6
29.83
33
4
2016/17
178
7
25.43
29
0
2017/18
179
7
25.57
35
2
2019/20
172
7
24.57
37
2
2020/21
182
7
26.00
31
2
2021/22
167
7
23.86
31
2
2022/23
158
7
22.57
33
2
2023/24
165
7
23.57
34
1
2024/25
163
7
23.29
35
2
2025/26
171
7
24.43
35
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 74 in 1999/00 → 90, +16 pupils.
Biggest loss in a single year: 1993/94: 120 in 1983/84 → 103, -17 pupils.
Largest single-class increase: 3rd Class in 2024/25 (22 → 38, +16).
Largest single-class decrease: Senior Infants in 2022/23 (32 → 13, -19).
Largest cohort-step gain: 1st → 2nd in 2021/22 (18 → 24, +6).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (24 → 21, -3).
Overall: 103 (1974/75) → 183 (2025/26), 80.
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
15
31
19.0
6
Senior Infants
13
32
19.3
6
1st Class
16
32
21.2
6
2nd Class
18
37
23.7
6
3rd Class
20
38
23.7
6
4th Class
20
38
25.0
6
5th Class
20
24
22.3
6
6th Class
21
28
23.5
6
Total
74
193
127.8
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).