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
15.36
2025/26
Mainstream classes
11
2025/26
Largest class group
23
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
182
10
18.20
26
0
2007/08
168
10
16.80
21
0
2008/09
167
10
16.70
26
0
2009/10
163
10
16.30
24
0
2010/11
160
10
16.00
21
0
2011/12
175
10
17.50
28
0
2012/13
186
10
18.60
25
0
2013/14
211
10
21.10
29
0
2014/15
211
11
19.18
26
0
2015/16
220
11
20.00
29
0
2016/17
216
11
19.64
28
0
2017/18
223
11
20.27
28
0
2019/20
216
11
19.64
30
1
2020/21
226
11
20.55
29
0
2021/22
227
12
18.92
29
0
2022/23
210
12
17.50
29
0
2023/24
206
12
17.17
26
0
2024/25
193
12
16.08
24
0
2025/26
169
11
15.36
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 387 in 1982/83 → 666, +279 pupils.
Biggest loss in a single year: 1995/96: 615 in 1994/95 → 539, -76 pupils.
Largest single-class increase: Senior Infants in 2021/22 (22 → 36, +14).
Largest single-class decrease: Junior Infants in 2022/23 (28 → 17, -11).
Largest cohort-step gain: JI → SI in 2023/24 (17 → 22, +5).
Largest cohort-step loss: SI → 1st in 2022/23 (36 → 31, -5).
Overall: 109 (1976/77) → 187 (2025/26), 78.
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
16
34
23.3
6
Senior Infants
15
36
23.5
6
1st Class
14
31
24.2
6
2nd Class
21
32
25.7
6
3rd Class
21
29
26.2
6
4th Class
24
29
27.2
6
5th Class
24
36
29.3
6
6th Class
28
38
30.5
6
Total
109
666
277.2
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).