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
24.43
2025/26
Mainstream classes
7
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
132
5
26.40
30
1
2007/08
136
5
27.20
29
0
2008/09
136
5
27.20
33
1
2009/10
137
5
27.40
34
2
2010/11
149
5
29.80
36
3
2011/12
149
6
24.83
32
1
2012/13
150
6
25.00
35
2
2013/14
148
6
24.67
27
0
2014/15
135
6
22.50
27
0
2015/16
144
5
28.80
34
3
2016/17
140
6
23.33
33
1
2017/18
131
5
26.20
32
2
2019/20
127
5
25.40
32
2
2020/21
129
6
21.50
28
0
2021/22
137
5
27.40
32
2
2022/23
143
5
28.60
31
3
2023/24
152
6
25.33
32
2
2024/25
169
7
24.14
29
0
2025/26
171
7
24.43
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 117 in 1999/00 → 135, +18 pupils.
Biggest loss in a single year: 2003/04: 154 in 2002/03 → 141, -13 pupils.
Largest single-class increase: 1st Class in 2025/26 (15 → 28, +13).
Largest single-class decrease: Junior Infants in 2025/26 (26 → 14, -12).
Largest cohort-step gain: SI → 1st in 2025/26 (26 → 28, +2).
Largest cohort-step loss: 1st → 2nd in 2023/24 (23 → 21, -2).
Overall: 95 (1975/76) → 171 (2025/26), 76.
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
26
20.7
6
Senior Infants
15
27
21.5
6
1st Class
15
28
21.0
6
2nd Class
15
23
19.2
6
3rd Class
13
23
19.3
6
4th Class
13
23
18.2
6
5th Class
11
22
16.0
6
6th Class
10
22
14.3
6
Total
92
171
126.4
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).