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
18.67
2025/26
Mainstream classes
9
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
216
8
27.00
32
1
2007/08
212
8
26.50
32
2
2008/09
211
8
26.38
36
2
2009/10
210
8
26.25
35
2
2010/11
200
8
25.00
35
1
2011/12
210
8
26.25
34
3
2012/13
208
8
26.00
34
2
2013/14
194
8
24.25
31
1
2014/15
191
7
27.29
32
4
2015/16
188
7
26.86
32
3
2016/17
193
8
24.12
35
1
2017/18
199
7
28.43
36
3
2019/20
207
8
25.88
36
1
2020/21
191
8
23.88
30
1
2021/22
174
8
21.75
26
0
2022/23
185
9
20.56
27
0
2023/24
176
9
19.56
26
0
2024/25
171
10
17.10
22
0
2025/26
168
9
18.67
22
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1982/83: 271 in 1981/82 → 289, +18 pupils.
Biggest loss in a single year: 1993/94: 292 in 1983/84 → 218, -74 pupils.
Largest single-class increase: 5th Class in 2024/25 (19 → 32, +13).
Largest single-class decrease: 6th Class in 2021/22 (30 → 16, -14).
Largest cohort-step gain: 3rd → 4th in 2025/26 (18 → 24, +6).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (21 → 18, -3).
Overall: 254 (1974/75) → 180 (2025/26), -74.
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
14
21
18.3
6
Senior Infants
16
25
19.8
6
1st Class
18
28
21.2
6
2nd Class
20
26
22.2
6
3rd Class
18
30
23.0
6
4th Class
19
29
24.7
6
5th Class
17
32
24.8
6
6th Class
16
33
25.7
6
Total
180
292
217.9
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).