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
14.09
2025/26
Mainstream classes
11
2025/26
Largest class group
18
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
206
9
22.89
28
0
2007/08
214
9
23.78
28
0
2008/09
216
9
24.00
26
0
2009/10
222
9
24.67
26
0
2010/11
215
9
23.89
27
0
2011/12
231
9
25.67
29
0
2012/13
205
9
22.78
25
0
2013/14
196
9
21.78
25
0
2014/15
187
10
18.70
23
0
2015/16
179
9
19.89
22
0
2016/17
171
9
19.00
21
0
2017/18
161
7
23.00
26
0
2019/20
130
6
21.67
26
0
2020/21
139
6
23.17
26
0
2021/22
159
7
22.71
25
0
2022/23
172
10
17.20
20
0
2023/24
171
11
15.55
18
0
2024/25
172
11
15.64
18
0
2025/26
155
11
14.09
18
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1982/83: 375 in 1981/82 → 397, +22 pupils.
Biggest loss in a single year: 1993/94: 397 in 1982/83 → 267, -130 pupils.
Largest single-class increase: 1st Class in 2023/24 (52 → 69, +17).
Largest single-class decrease: Junior Infants in 2025/26 (64 → 48, -16).
Largest cohort-step gain: JI → SI in 2021/22 (52 → 56, +4).
Largest cohort-step loss: 1st → 2nd in 2024/25 (69 → 4, -65).
Overall: 440 (1975/76) → 167 (2025/26), -273.
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
48
65
57.0
6
Senior Infants
44
68
56.8
6
1st Class
44
69
54.5
6
2nd Class
2
4
3.2
4
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
2
6th Class
0
0
0.0
1
Total
145
443
251.5
41
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).