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
23.30
2025/26
Mainstream classes
10
2025/26
Largest class group
30
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
239
9
26.56
32
2
2007/08
233
9
25.89
32
2
2008/09
245
9
27.22
32
3
2009/10
244
9
27.11
32
2
2010/11
227
9
25.22
31
2
2011/12
230
8
28.75
32
4
2012/13
258
9
28.67
33
3
2013/14
259
9
28.78
34
3
2014/15
273
10
27.30
35
3
2015/16
274
10
27.40
32
4
2016/17
283
11
25.73
31
3
2017/18
293
11
26.64
32
4
2019/20
310
12
25.83
33
5
2020/21
290
12
24.17
32
3
2021/22
288
12
24.00
31
4
2022/23
274
11
24.91
31
3
2023/24
269
11
24.45
35
2
2024/25
245
11
22.27
35
2
2025/26
233
10
23.30
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1980/81: 99 in 1979/80 → 143, +44 pupils.
Biggest loss in a single year: 1979/80: 135 in 1978/79 → 99, -36 pupils.
Largest single-class increase: 6th Class in 2023/24 (31 → 46, +15).
Largest single-class decrease: Senior Infants in 2021/22 (43 → 30, -13).
Largest cohort-step gain: 1st → 2nd in 2025/26 (28 → 30, +2).
Largest cohort-step loss: JI → SI in 2021/22 (33 → 30, -3).
Overall: 114 (1974/75) → 233 (2025/26), 119.
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
22
36
28.0
6
Senior Infants
24
43
31.0
6
1st Class
25
41
31.7
6
2nd Class
29
40
34.0
6
3rd Class
28
46
36.2
6
4th Class
29
44
35.0
6
5th Class
30
44
36.3
6
6th Class
28
46
34.3
6
Total
99
310
211.5
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).