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
16.33
2025/26
Mainstream classes
6
2025/26
Largest class group
25
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
145
8
18.12
22
0
2007/08
132
8
16.50
20
0
2008/09
131
8
16.38
20
0
2009/10
132
8
16.50
20
0
2010/11
121
8
15.12
20
0
2011/12
138
7
19.71
26
0
2012/13
148
7
21.14
25
0
2013/14
148
8
18.50
22
0
2014/15
158
8
19.75
22
0
2015/16
159
9
17.67
22
0
2016/17
153
8
19.12
23
0
2017/18
160
8
20.00
22
0
2019/20
142
8
17.75
20
0
2020/21
144
8
18.00
20
0
2021/22
122
8
15.25
18
0
2022/23
125
7
17.86
27
0
2023/24
125
7
17.86
29
0
2024/25
103
7
14.71
26
0
2025/26
98
6
16.33
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1977/78: 166 in 1976/77 → 552, +386 pupils.
Biggest loss in a single year: 1993/94: 478 in 1982/83 → 174, -304 pupils.
Largest single-class increase: 1st Class in 2022/23 (25 → 37, +12).
Largest single-class decrease: 1st Class in 2021/22 (38 → 25, -13).
Largest cohort-step gain: SI → 1st in 2022/23 (34 → 37, +3).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (40 → 0, -40).
Overall: 166 (1976/77) → 110 (2025/26), -56.
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
21
36
30.2
6
Senior Infants
22
34
28.7
6
1st Class
25
38
31.2
6
2nd Class
26
40
31.5
6
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
109
697
215.6
40
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).