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
23.43
2025/26
Mainstream classes
7
2025/26
Largest class group
31
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
117
5
23.40
26
0
2007/08
116
5
23.20
28
0
2008/09
136
6
22.67
27
0
2009/10
132
6
22.00
26
0
2010/11
134
6
22.33
28
0
2011/12
150
6
25.00
28
0
2012/13
157
6
26.17
30
1
2013/14
178
7
25.43
34
2
2014/15
181
7
25.86
35
2
2015/16
180
7
25.71
31
1
2016/17
185
7
26.43
33
2
2017/18
177
7
25.29
36
1
2019/20
202
8
25.25
33
1
2020/21
195
8
24.38
32
2
2021/22
189
8
23.62
32
2
2022/23
181
7
25.86
33
3
2023/24
188
7
26.86
32
1
2024/25
171
7
24.43
30
1
2025/26
164
7
23.43
31
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2004/05: 59 in 2003/04 → 85, +26 pupils.
Biggest loss in a single year: 2024/25: 188 in 2023/24 → 171, -17 pupils.
Largest single-class increase: 4th Class in 2021/22 (17 → 30, +13).
Largest single-class decrease: Senior Infants in 2021/22 (32 → 16, -16).
Largest cohort-step gain: SI → 1st in 2022/23 (16 → 18, +2).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (19 → 15, -4).
Overall: 15 (2000/01) → 170 (2025/26), 155.
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
17
29
21.5
6
Senior Infants
16
32
22.7
6
1st Class
17
32
23.2
6
2nd Class
16
32
21.7
6
3rd Class
15
32
23.2
6
4th Class
17
31
22.5
6
5th Class
18
31
24.3
6
6th Class
17
29
23.3
6
Total
15
202
141.1
26
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).