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
17.38
2025/26
Mainstream classes
8
2025/26
Largest class group
20
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
226
11
20.55
28
0
2007/08
224
11
20.36
26
0
2008/09
225
11
20.45
27
0
2009/10
212
10
21.20
28
0
2010/11
199
10
19.90
27
0
2011/12
188
9
20.89
29
0
2012/13
167
7
23.86
29
0
2013/14
151
6
25.17
31
2
2014/15
141
6
23.50
31
1
2015/16
147
5
29.40
34
1
2016/17
131
6
21.83
28
0
2017/18
123
5
24.60
30
1
2019/20
127
5
25.40
31
2
2020/21
136
8
17.00
24
0
2021/22
142
6
23.67
32
1
2022/23
147
8
18.38
26
0
2023/24
142
8
17.75
22
0
2024/25
142
8
17.75
21
0
2025/26
139
8
17.38
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1997/98: 145 in 1996/97 → 162, +17 pupils.
Biggest loss in a single year: 1993/94: 201 in 1982/83 → 169, -32 pupils.
Largest single-class increase: 3rd Class in 2022/23 (13 → 26, +13).
Largest single-class decrease: 3rd Class in 2023/24 (26 → 16, -10).
Largest cohort-step gain: 3rd → 4th in 2021/22 (15 → 19, +4).
Largest cohort-step loss: 3rd → 4th in 2023/24 (26 → 22, -4).
Overall: 213 (1975/76) → 151 (2025/26), -62.
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
10
22
16.8
6
Senior Infants
12
21
17.0
6
1st Class
14
24
18.7
6
2nd Class
14
24
19.5
6
3rd Class
13
26
18.3
6
4th Class
13
22
18.0
6
5th Class
13
21
17.7
6
6th Class
11
22
17.3
6
Total
121
230
175.4
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).