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
24.60
2025/26
Mainstream classes
10
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
133
5
26.60
31
1
2007/08
147
5
29.40
32
1
2008/09
153
6
25.50
27
0
2009/10
159
6
26.50
28
0
2010/11
179
7
25.57
30
1
2011/12
173
7
24.71
29
0
2012/13
173
7
24.71
30
1
2013/14
170
7
24.29
28
0
2014/15
162
6
27.00
29
0
2015/16
153
6
25.50
26
0
2016/17
153
6
25.50
29
0
2017/18
154
6
25.67
30
1
2019/20
186
7
26.57
34
3
2020/21
214
8
26.75
30
1
2021/22
222
8
27.75
31
2
2022/23
236
9
26.22
35
2
2023/24
238
10
23.80
29
0
2024/25
242
10
24.20
35
1
2025/26
246
10
24.60
35
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 109 in 1983/84 → 162, +53 pupils.
Biggest loss in a single year: 1996/97: 152 in 1995/96 → 136, -16 pupils.
Largest single-class increase: 4th Class in 2023/24 (22 → 37, +15).
Largest single-class decrease: 1st Class in 2023/24 (39 → 29, -10).
Largest cohort-step gain: 3rd → 4th in 2025/26 (37 → 39, +2).
Largest cohort-step loss: 1st → 2nd in 2023/24 (39 → 36, -3).
Overall: 83 (1977/78) → 251 (2025/26), 168.
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
24
39
29.2
6
Senior Infants
26
39
31.2
6
1st Class
27
39
32.5
6
2nd Class
23
36
31.3
6
3rd Class
22
37
30.2
6
4th Class
21
39
30.0
6
5th Class
14
39
26.2
6
6th Class
15
35
23.3
6
Total
83
251
152.7
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).