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
23.91
2025/26
Mainstream classes
11
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
193
7
27.57
30
1
2007/08
210
7
30.00
34
4
2008/09
214
8
26.75
31
1
2009/10
221
8
27.62
30
1
2010/11
232
8
29.00
32
4
2011/12
233
9
25.89
33
2
2012/13
249
9
27.67
37
2
2013/14
269
9
29.89
37
4
2014/15
270
10
27.00
31
2
2015/16
272
10
27.20
31
2
2016/17
272
10
27.20
35
3
2017/18
269
10
26.90
36
4
2019/20
289
11
26.27
32
4
2020/21
273
11
24.82
33
4
2021/22
272
11
24.73
34
4
2022/23
277
11
25.18
34
3
2023/24
288
11
26.18
34
3
2024/25
267
11
24.27
32
2
2025/26
263
11
23.91
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 249 in 2012/13 → 269, +20 pupils.
Biggest loss in a single year: 1993/94: 198 in 1983/84 → 165, -33 pupils.
Largest single-class increase: 6th Class in 2023/24 (30 → 52, +22).
Largest single-class decrease: Senior Infants in 2023/24 (42 → 25, -17).
Largest cohort-step gain: JI → SI in 2022/23 (37 → 42, +5).
Largest cohort-step loss: JI → SI in 2021/22 (26 → 25, -1).
Overall: 140 (1974/75) → 269 (2025/26), 129.
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
38
30.2
6
Senior Infants
25
42
31.0
6
1st Class
27
42
32.7
6
2nd Class
26
42
33.5
6
3rd Class
28
43
37.0
6
4th Class
28
45
35.5
6
5th Class
30
49
37.2
6
6th Class
30
52
37.3
6
Total
140
289
211.0
43
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).