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
23.00
2025/26
Mainstream classes
6
2025/26
Largest class group
27
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
103
4
25.75
29
0
2007/08
112
5
22.40
25
0
2008/09
105
5
21.00
24
0
2009/10
111
5
22.20
26
0
2010/11
117
5
23.40
26
0
2011/12
119
5
23.80
30
1
2012/13
118
5
23.60
31
1
2013/14
125
5
25.00
32
1
2014/15
128
5
25.60
31
1
2015/16
130
5
26.00
29
0
2016/17
132
5
26.40
35
2
2017/18
142
6
23.67
31
1
2019/20
139
6
23.17
28
0
2020/21
143
6
23.83
25
0
2021/22
142
6
23.67
29
0
2022/23
145
6
24.17
33
1
2023/24
148
6
24.67
26
0
2024/25
150
6
25.00
26
0
2025/26
138
6
23.00
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1981/82: 131 in 1980/81 → 147, +16 pupils.
Biggest loss in a single year: 1993/94: 143 in 1982/83 → 118, -25 pupils.
Largest single-class increase: 3rd Class in 2021/22 (14 → 24, +10).
Largest single-class decrease: 2nd Class in 2021/22 (26 → 14, -12).
Largest cohort-step gain: 3rd → 4th in 2025/26 (17 → 21, +4).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (26 → 24, -2).
Overall: 103 (1975/76) → 150 (2025/26), 47.
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
13
21
16.8
6
Senior Infants
15
22
17.5
6
1st Class
14
22
17.3
6
2nd Class
14
26
18.7
6
3rd Class
14
24
17.8
6
4th Class
15
24
19.5
6
5th Class
16
25
19.7
6
6th Class
16
25
19.3
6
Total
80
161
122.2
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).