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
16.00
2025/26
Mainstream classes
11
2025/26
Largest class group
20
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
252
13
19.38
24
0
2007/08
235
12
19.58
22
0
2008/09
239
11
21.73
27
0
2009/10
216
11
19.64
22
0
2010/11
226
11
20.55
23
0
2011/12
240
11
21.82
25
0
2012/13
226
12
18.83
23
0
2013/14
238
12
19.83
24
0
2014/15
212
12
17.67
21
0
2015/16
200
11
18.18
25
0
2016/17
196
11
17.82
24
0
2017/18
185
11
16.82
23
0
2019/20
193
10
19.30
33
2
2020/21
202
11
18.36
22
0
2021/22
195
11
17.73
22
0
2022/23
215
11
19.55
22
0
2023/24
201
12
16.75
21
0
2024/25
178
11
16.18
20
0
2025/26
176
11
16.00
20
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1981/82: 660 in 1980/81 → 792, +132 pupils.
Biggest loss in a single year: 1993/94: 866 in 1982/83 → 407, -459 pupils.
Largest single-class increase: 5th Class in 2021/22 (34 → 65, +31).
Largest single-class decrease: 4th Class in 2021/22 (66 → 51, -15).
Largest cohort-step gain: 4th → 5th in 2022/23 (51 → 54, +3).
Largest cohort-step loss: 3rd → 4th in 2021/22 (54 → 51, -3).
Overall: 514 (1976/77) → 182 (2025/26), -332.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
0
0
0.0
1
3rd Class
39
56
46.7
6
4th Class
40
66
50.8
6
5th Class
34
65
49.8
6
6th Class
35
62
49.2
6
Total
180
866
336.6
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).