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
22.50
2025/26
Mainstream classes
6
2025/26
Largest class group
28
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
109
5
21.80
28
0
2007/08
109
4
27.25
29
0
2008/09
107
4
26.75
33
1
2009/10
103
4
25.75
29
0
2010/11
100
4
25.00
29
0
2011/12
112
4
28.00
30
1
2012/13
108
5
21.60
27
0
2013/14
111
4
27.75
30
1
2014/15
121
5
24.20
25
0
2015/16
126
5
25.20
30
2
2016/17
134
5
26.80
30
1
2017/18
135
6
22.50
25
0
2019/20
117
5
23.40
29
0
2020/21
120
5
24.00
30
1
2021/22
141
5
28.20
30
1
2022/23
128
6
21.33
27
0
2023/24
127
6
21.17
27
0
2024/25
132
6
22.00
29
0
2025/26
135
6
22.50
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2021/22: 132 in 2020/21 → 152, +20 pupils.
Biggest loss in a single year: 1994/95: 153 in 1993/94 → 137, -16 pupils.
Largest single-class increase: Junior Infants in 2021/22 (17 → 32, +15).
Largest single-class decrease: Senior Infants in 2023/24 (32 → 15, -17).
Largest cohort-step gain: JI → SI in 2021/22 (17 → 20, +3).
Largest cohort-step loss: SI → 1st in 2025/26 (15 → 13, -2).
Overall: 118 (1975/76) → 146 (2025/26), 28.
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
15
32
19.5
6
Senior Infants
15
32
19.2
6
1st Class
8
32
17.5
6
2nd Class
10
31
18.8
6
3rd Class
11
30
18.5
6
4th Class
12
20
16.0
6
5th Class
13
24
16.2
6
6th Class
11
26
16.3
6
Total
102
153
125.1
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).