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
18.38
2025/26
Mainstream classes
8
2025/26
Largest class group
24
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
121
7
17.29
23
0
2007/08
122
6
20.33
28
0
2008/09
122
6
20.33
31
1
2009/10
137
6
22.83
34
1
2010/11
144
7
20.57
29
0
2011/12
139
7
19.86
27
0
2012/13
147
6
24.50
33
2
2013/14
156
7
22.29
29
0
2014/15
147
7
21.00
26
0
2015/16
147
7
21.00
23
0
2016/17
160
7
22.86
25
0
2017/18
147
7
21.00
26
0
2019/20
169
7
24.14
32
2
2020/21
164
8
20.50
24
0
2021/22
152
8
19.00
22
0
2022/23
152
8
19.00
26
0
2023/24
158
8
19.75
23
0
2024/25
156
8
19.50
25
0
2025/26
147
8
18.38
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 113 in 1998/99 → 132, +19 pupils.
Biggest loss in a single year: 1994/95: 254 in 1993/94 → 203, -51 pupils.
Largest single-class increase: 1st Class in 2022/23 (15 → 21, +6).
Largest single-class decrease: 1st Class in 2021/22 (24 → 15, -9).
Largest cohort-step gain: 1st → 2nd in 2025/26 (17 → 24, +7).
Largest cohort-step loss: SI → 1st in 2024/25 (20 → 17, -3).
Overall: 254 (1993/94) → 165 (2025/26), -89.
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
12
22
16.2
6
Senior Infants
16
21
18.3
6
1st Class
15
24
18.3
6
2nd Class
17
24
19.8
6
3rd Class
17
22
19.5
6
4th Class
16
26
20.7
6
5th Class
20
24
21.8
6
6th Class
20
26
23.3
6
Total
113
254
153.8
33
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).