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
25.40
2025/26
Mainstream classes
10
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
269
10
26.90
32
5
2007/08
264
10
26.40
32
3
2008/09
257
10
25.70
32
3
2009/10
258
10
25.80
34
4
2010/11
267
10
26.70
34
3
2011/12
262
10
26.20
32
3
2012/13
261
10
26.10
32
4
2013/14
263
10
26.30
32
5
2014/15
260
10
26.00
32
3
2015/16
265
10
26.50
32
3
2016/17
277
10
27.70
32
4
2017/18
271
10
27.10
31
4
2019/20
279
10
27.90
30
3
2020/21
278
10
27.80
33
3
2021/22
279
10
27.90
33
3
2022/23
276
10
27.60
32
3
2023/24
277
10
27.70
32
3
2024/25
259
10
25.90
32
2
2025/26
254
10
25.40
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 273 in 1999/00 → 296, +23 pupils.
Biggest loss in a single year: 2024/25: 277 in 2023/24 → 259, -18 pupils.
Largest single-class increase: 4th Class in 2021/22 (27 → 51, +24).
Largest single-class decrease: 1st Class in 2021/22 (50 → 27, -23).
Largest cohort-step gain: 2nd → 3rd in 2023/24 (27 → 28, +1).
Largest cohort-step loss: JI → SI in 2023/24 (30 → 28, -2).
Overall: 263 (1993/94) → 254 (2025/26), -9.
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
26
35
31.0
6
Senior Infants
27
33
30.3
6
1st Class
27
50
33.0
6
2nd Class
27
50
32.8
6
3rd Class
28
52
36.8
6
4th Class
27
51
35.7
6
5th Class
27
50
35.3
6
6th Class
27
50
35.5
6
Total
254
296
270.9
33
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).