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
23.57
2025/26
Mainstream classes
7
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
1
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
138
6
23.00
37
2
2007/08
127
5
25.40
37
1
2008/09
144
5
28.80
35
3
2009/10
126
5
25.20
31
1
2010/11
94
5
18.80
22
0
2011/12
98
4
24.50
30
1
2012/13
105
4
26.25
35
1
2013/14
105
4
26.25
35
1
2014/15
119
4
29.75
36
1
2015/16
112
5
22.40
28
0
2016/17
114
5
22.80
29
0
2017/18
119
5
23.80
27
0
2019/20
129
6
21.50
29
0
2020/21
122
6
20.33
27
0
2021/22
116
5
23.20
31
1
2022/23
140
6
23.33
32
1
2023/24
169
7
24.14
35
2
2024/25
173
7
24.71
32
1
2025/26
165
7
23.57
31
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2023/24: 152 in 2022/23 → 181, +29 pupils.
Biggest loss in a single year: 1997/98: 288 in 1996/97 → 263, -25 pupils.
Largest single-class increase: 5th Class in 2023/24 (13 → 30, +17).
Largest single-class decrease: 5th Class in 2025/26 (29 → 16, -13).
Largest cohort-step gain: SI → 1st in 2023/24 (18 → 26, +8).
Largest cohort-step loss: JI → SI in 2021/22 (19 → 15, -4).
Overall: 319 (1993/94) → 177 (2025/26), -142.
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
17.5
6
Senior Infants
11
24
18.2
6
1st Class
11
28
20.0
6
2nd Class
15
24
19.3
6
3rd Class
10
26
18.5
6
4th Class
10
25
18.3
6
5th Class
11
30
19.2
6
6th Class
12
30
19.0
6
Total
98
319
177.9
33
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).