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
25.00
2025/26
Mainstream classes
6
2025/26
Largest class group
35
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
207
8
25.88
32
2
2007/08
205
8
25.62
34
2
2008/09
194
8
24.25
34
1
2009/10
187
7
26.71
34
3
2010/11
173
7
24.71
30
2
2011/12
158
7
22.57
28
0
2012/13
160
6
26.67
30
1
2013/14
163
6
27.17
30
1
2014/15
156
6
26.00
30
1
2015/16
153
6
25.50
30
1
2016/17
137
6
22.83
30
1
2017/18
127
5
25.40
30
1
2019/20
124
5
24.80
28
0
2020/21
123
5
24.60
29
0
2021/22
128
5
25.60
30
1
2022/23
127
5
25.40
27
0
2023/24
155
6
25.83
34
2
2024/25
148
6
24.67
29
0
2025/26
150
6
25.00
35
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1977/78: 121 in 1976/77 → 244, +123 pupils.
Biggest loss in a single year: 2016/17: 153 in 2015/16 → 137, -16 pupils.
Largest single-class increase: Junior Infants in 2023/24 (14 → 26, +12).
Largest single-class decrease: Junior Infants in 2024/25 (26 → 15, -11).
Largest cohort-step gain: 1st → 2nd in 2023/24 (17 → 23, +6).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (23 → 21, -2).
Overall: 109 (1974/75) → 155 (2025/26), 46.
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
26
17.3
6
Senior Infants
14
25
18.2
6
1st Class
14
27
18.8
6
2nd Class
13
23
18.5
6
3rd Class
13
21
17.3
6
4th Class
10
23
16.7
6
5th Class
10
18
16.0
6
6th Class
10
19
16.5
6
Total
109
298
199.9
42
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).