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
22.43
2025/26
Mainstream classes
7
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
181
7
25.86
32
2
2007/08
190
7
27.14
39
3
2008/09
192
7
27.43
32
4
2009/10
181
7
25.86
35
3
2010/11
165
7
23.57
31
1
2011/12
147
6
24.50
30
1
2012/13
154
6
25.67
29
0
2013/14
147
6
24.50
31
2
2014/15
135
6
22.50
28
0
2015/16
133
5
26.60
31
2
2016/17
150
5
30.00
36
2
2017/18
157
6
26.17
31
1
2019/20
163
6
27.17
32
1
2020/21
151
7
21.57
27
0
2021/22
160
6
26.67
38
2
2022/23
154
7
22.00
30
1
2023/24
156
7
22.29
29
0
2024/25
157
7
22.43
30
2
2025/26
157
7
22.43
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 246 in 1974/75 → 263, +17 pupils.
Biggest loss in a single year: 1995/96: 332 in 1994/95 → 282, -50 pupils.
Largest single-class increase: 3rd Class in 2025/26 (18 → 33, +15).
Largest single-class decrease: Senior Infants in 2023/24 (27 → 12, -15).
Largest cohort-step gain: JI → SI in 2022/23 (21 → 27, +6).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (20 → 18, -2).
Overall: 246 (1974/75) → 169 (2025/26), -77.
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
11
21
15.2
6
Senior Infants
12
27
19.0
6
1st Class
16
29
20.0
6
2nd Class
18
31
21.5
6
3rd Class
17
33
23.3
6
4th Class
16
25
21.3
6
5th Class
17
28
22.0
6
6th Class
15
26
20.5
6
Total
133
332
212.4
43
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).