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
17.85
2025/26
Mainstream classes
13
2025/26
Largest class group
24
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+
2007/08
174
9
19.33
24
0
2008/09
179
9
19.89
25
0
2009/10
171
9
19.00
25
0
2010/11
156
8
19.50
25
0
2011/12
174
8
21.75
27
0
2012/13
187
8
23.38
28
0
2013/14
186
9
20.67
27
0
2014/15
194
9
21.56
28
0
2015/16
217
10
21.70
27
0
2016/17
240
11
21.82
26
0
2017/18
252
12
21.00
25
0
2019/20
268
13
20.62
26
0
2020/21
261
13
20.08
24
0
2021/22
258
13
19.85
25
0
2022/23
267
14
19.07
25
0
2023/24
256
13
19.69
23
0
2024/25
251
13
19.31
24
0
2025/26
232
13
17.85
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 194 in 2014/15 → 217, +23 pupils.
Biggest loss in a single year: 2025/26: 251 in 2024/25 → 232, -19 pupils.
Largest single-class increase: 5th Class in 2025/26 (32 → 47, +15).
Largest single-class decrease: 4th Class in 2025/26 (45 → 21, -24).
Largest cohort-step gain: 1st → 2nd in 2022/23 (37 → 42, +5).
Largest cohort-step loss: 1st → 2nd in 2023/24 (25 → 23, -2).
Overall: 183 (2007/08) → 232 (2025/26), 49.
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
21
29
25.8
6
Senior Infants
19
36
27.5
6
1st Class
19
37
28.2
6
2nd Class
23
42
31.8
6
3rd Class
23
43
32.3
6
4th Class
21
45
34.2
6
5th Class
32
47
37.7
6
6th Class
30
43
36.7
6
Total
168
268
222.2
19
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).