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
19.18
2025/26
Mainstream classes
11
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+
2006/07
189
9
21.00
24
0
2007/08
182
9
20.22
23
0
2008/09
185
9
20.56
24
0
2009/10
181
9
20.11
23
0
2010/11
178
9
19.78
23
0
2011/12
179
9
19.89
24
0
2012/13
175
9
19.44
23
0
2013/14
170
9
18.89
24
0
2014/15
183
9
20.33
26
0
2015/16
197
9
21.89
27
0
2016/17
207
9
23.00
30
1
2017/18
205
10
20.50
27
0
2019/20
222
10
22.20
29
0
2020/21
229
11
20.82
29
0
2021/22
235
11
21.36
29
0
2022/23
245
11
22.27
30
2
2023/24
230
11
20.91
27
0
2024/25
225
10
22.50
27
0
2025/26
211
11
19.18
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1994/95: 233 in 1993/94 → 263, +30 pupils.
Biggest loss in a single year: 2003/04: 218 in 2002/03 → 172, -46 pupils.
Largest single-class increase: 1st Class in 2021/22 (24 → 29, +5).
Largest single-class decrease: 2nd Class in 2023/24 (29 → 22, -7).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (22 → 25, +3).
Largest cohort-step loss: JI → SI in 2023/24 (57 → 25, -32).
Overall: 209 (1981/82) → 211 (2025/26), 2.
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
44
57
51.5
6
Senior Infants
23
29
25.3
6
1st Class
23
29
25.0
6
2nd Class
22
29
25.7
6
3rd Class
24
28
26.0
6
4th Class
21
30
25.3
6
5th Class
22
28
25.3
6
6th Class
23
27
25.0
6
Total
170
277
212.9
35
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).