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
25.00
2025/26
Mainstream classes
8
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
201
8
25.12
33
1
2007/08
199
8
24.88
32
1
2008/09
195
8
24.38
32
1
2009/10
184
7
26.29
32
2
2010/11
181
7
25.86
29
0
2011/12
185
7
26.43
33
2
2012/13
183
7
26.14
33
2
2013/14
192
7
27.43
33
1
2014/15
194
7
27.71
33
3
2015/16
205
7
29.29
33
2
2016/17
209
8
26.12
34
2
2017/18
210
8
26.25
32
1
2019/20
205
8
25.62
31
2
2020/21
193
8
24.12
31
1
2021/22
182
7
26.00
30
2
2022/23
200
8
25.00
32
2
2023/24
191
8
23.88
31
2
2024/25
200
8
25.00
29
0
2025/26
200
8
25.00
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1978/79: 290 in 1977/78 → 316, +26 pupils.
Biggest loss in a single year: 1993/94: 299 in 1982/83 → 179, -120 pupils.
Largest single-class increase: Senior Infants in 2022/23 (8 → 20, +12).
Largest single-class decrease: Senior Infants in 2021/22 (21 → 8, -13).
Largest cohort-step gain: SI → 1st in 2022/23 (8 → 19, +11).
Largest cohort-step loss: JI → SI in 2021/22 (15 → 8, -7).
Overall: 250 (1975/76) → 218 (2025/26), -32.
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
15
25
21.3
6
Senior Infants
8
27
19.5
6
1st Class
19
27
23.2
6
2nd Class
18
26
23.0
6
3rd Class
21
32
25.7
6
4th Class
25
30
27.3
6
5th Class
27
29
28.0
6
6th Class
29
32
30.5
6
Total
145
316
209.6
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).