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
24.80
2025/26
Mainstream classes
5
2025/26
Largest class group
32
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
137
5
27.40
28
0
2007/08
142
5
28.40
29
0
2008/09
133
5
26.60
30
1
2009/10
129
5
25.80
28
0
2010/11
125
5
25.00
31
1
2011/12
118
5
23.60
31
1
2012/13
120
5
24.00
28
0
2013/14
123
5
24.60
29
0
2014/15
127
5
25.40
30
1
2015/16
133
5
26.60
30
1
2016/17
136
5
27.20
29
0
2017/18
140
5
28.00
30
1
2019/20
140
5
28.00
33
2
2020/21
143
6
23.83
32
1
2021/22
145
6
24.17
30
1
2022/23
148
6
24.67
31
2
2023/24
138
6
23.00
29
0
2024/25
129
7
18.43
29
0
2025/26
124
5
24.80
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2006/07: 126 in 2005/06 → 137, +11 pupils.
Biggest loss in a single year: 1998/99: 148 in 1997/98 → 135, -13 pupils.
Largest single-class increase: Junior Infants in 2022/23 (13 → 20, +7).
Largest single-class decrease: Senior Infants in 2024/25 (21 → 10, -11).
Largest cohort-step gain: JI → SI in 2021/22 (22 → 23, +1).
Largest cohort-step loss: JI → SI in 2024/25 (11 → 10, -1).
Overall: 165 (1993/94) → 124 (2025/26), -41.
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
11
22
15.0
6
Senior Infants
10
23
16.5
6
1st Class
10
23
16.3
6
2nd Class
13
23
17.5
6
3rd Class
13
23
17.8
6
4th Class
13
23
19.0
6
5th Class
13
22
18.2
6
6th Class
13
23
17.5
6
Total
118
165
135.8
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).