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
17.71
2025/26
Mainstream classes
7
2025/26
Largest class group
26
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
194
9
21.56
28
0
2007/08
211
10
21.10
29
0
2008/09
205
10
20.50
29
0
2009/10
201
9
22.33
32
1
2010/11
186
9
20.67
29
0
2011/12
178
9
19.78
29
0
2012/13
179
9
19.89
29
0
2013/14
178
8
22.25
30
1
2014/15
174
8
21.75
31
1
2015/16
164
8
20.50
25
0
2016/17
156
7
22.29
31
1
2017/18
143
7
20.43
25
0
2019/20
134
6
22.33
29
0
2020/21
129
7
18.43
21
0
2021/22
126
7
18.00
24
0
2022/23
141
6
23.50
33
1
2023/24
138
7
19.71
24
0
2024/25
136
7
19.43
32
1
2025/26
124
7
17.71
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1977/78: 179 in 1976/77 → 204, +25 pupils.
Biggest loss in a single year: 2010/11: 201 in 2009/10 → 186, -15 pupils.
Largest single-class increase: 1st Class in 2022/23 (10 → 25, +15).
Largest single-class decrease: 3rd Class in 2025/26 (25 → 15, -10).
Largest cohort-step gain: SI → 1st in 2022/23 (21 → 25, +4).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (18 → 15, -3).
Overall: 168 (1974/75) → 124 (2025/26), -44.
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
6
19
13.5
6
Senior Infants
10
21
15.7
6
1st Class
10
25
16.8
6
2nd Class
12
23
16.7
6
3rd Class
13
25
16.2
6
4th Class
13
26
17.8
6
5th Class
14
21
17.7
6
6th Class
15
21
18.0
6
Total
124
212
175.8
42
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).