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
25.50
2025/26
Mainstream classes
10
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
3
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
115
4
28.75
32
1
2007/08
116
5
23.20
32
1
2008/09
130
5
26.00
29
0
2009/10
131
5
26.20
31
3
2010/11
139
5
27.80
32
3
2011/12
164
6
27.33
31
1
2012/13
187
7
26.71
34
2
2013/14
186
7
26.57
33
1
2014/15
220
8
27.50
29
0
2015/16
233
8
29.12
32
3
2016/17
242
9
26.89
30
1
2017/18
248
9
27.56
32
4
2019/20
260
10
26.00
34
2
2020/21
255
10
25.50
33
2
2021/22
255
10
25.50
31
3
2022/23
257
10
25.70
33
2
2023/24
244
10
24.40
31
1
2024/25
254
10
25.40
31
2
2025/26
255
10
25.50
31
3
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2014/15: 186 in 2013/14 → 220, +34 pupils.
Biggest loss in a single year: 2023/24: 257 in 2022/23 → 244, -13 pupils.
Largest single-class increase: Senior Infants in 2025/26 (23 → 41, +18).
Largest single-class decrease: Junior Infants in 2025/26 (40 → 22, -18).
Largest cohort-step gain: 1st → 2nd in 2025/26 (28 → 33, +5).
Largest cohort-step loss: JI → SI in 2023/24 (30 → 28, -2).
Overall: 111 (1975/76) → 261 (2025/26), 150.
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
22
40
30.0
6
Senior Infants
23
41
32.0
6
1st Class
24
40
30.0
6
2nd Class
24
40
31.2
6
3rd Class
24
43
32.2
6
4th Class
25
40
32.3
6
5th Class
26
39
33.5
6
6th Class
26
40
33.2
6
Total
86
261
150.9
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).