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
26.14
2025/26
Mainstream classes
7
2025/26
Largest class group
32
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
158
6
26.33
37
2
2007/08
144
6
24.00
36
2
2008/09
164
6
27.33
36
2
2009/10
159
6
26.50
35
1
2010/11
158
6
26.33
34
2
2011/12
163
6
27.17
34
2
2012/13
168
6
28.00
37
3
2013/14
183
7
26.14
36
2
2014/15
187
7
26.71
35
2
2015/16
189
7
27.00
33
1
2016/17
203
7
29.00
38
3
2017/18
202
8
25.25
33
2
2019/20
199
8
24.88
33
1
2020/21
203
8
25.38
33
1
2021/22
195
8
24.38
35
1
2022/23
197
8
24.62
34
1
2023/24
195
8
24.38
35
1
2024/25
181
8
22.62
29
0
2025/26
183
7
26.14
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2008/09: 144 in 2007/08 → 164, +20 pupils.
Biggest loss in a single year: 2003/04: 171 in 2002/03 → 156, -15 pupils.
Largest single-class increase: 1st Class in 2022/23 (15 → 29, +14).
Largest single-class decrease: 4th Class in 2024/25 (27 → 14, -13).
Largest cohort-step gain: 1st → 2nd in 2025/26 (21 → 26, +5).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (17 → 14, -3).
Overall: 144 (1975/76) → 183 (2025/26), 39.
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
28
22.5
6
Senior Infants
17
29
22.3
6
1st Class
15
29
23.5
6
2nd Class
17
27
23.2
6
3rd Class
14
33
23.8
6
4th Class
14
35
25.3
6
5th Class
16
34
24.8
6
6th Class
23
35
26.8
6
Total
144
211
169.7
41
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).