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
23.25
2025/26
Mainstream classes
12
2025/26
Largest class group
36
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+
2012/13
279
11
25.36
37
2
2013/14
277
11
25.18
30
2
2014/15
273
10
27.30
38
2
2015/16
282
10
28.20
34
5
2016/17
285
11
25.91
31
3
2017/18
296
12
24.67
32
2
2019/20
306
12
25.50
32
2
2020/21
320
13
24.62
31
2
2021/22
303
13
23.31
29
0
2022/23
299
12
24.92
35
2
2023/24
289
12
24.08
35
2
2024/25
280
12
23.33
28
0
2025/26
279
12
23.25
36
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2020/21: 313 in 2019/20 → 327, +14 pupils.
Biggest loss in a single year: 2021/22: 327 in 2020/21 → 310, -17 pupils.
Largest single-class increase: Junior Infants in 2025/26 (19 → 34, +15).
Largest single-class decrease: 4th Class in 2021/22 (46 → 28, -18).
Largest cohort-step gain: JI → SI in 2022/23 (37 → 42, +5).
Largest cohort-step loss: 1st → 2nd in 2021/22 (39 → 35, -4).
Overall: 286 (2012/13) → 286 (2025/26), 0.
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
19
40
33.7
6
Senior Infants
22
42
34.3
6
1st Class
34
43
38.3
6
2nd Class
34
43
37.0
6
3rd Class
30
40
35.5
6
4th Class
28
46
37.0
6
5th Class
29
57
39.8
6
6th Class
30
54
40.5
6
Total
280
327
298.1
14
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).