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
22.64
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
257
10
25.70
33
3
2007/08
262
10
26.20
33
3
2008/09
272
10
27.20
34
4
2009/10
286
10
28.60
33
6
2010/11
286
11
26.00
33
4
2011/12
301
11
27.36
37
4
2012/13
309
11
28.09
35
5
2013/14
304
11
27.64
35
4
2014/15
321
12
26.75
34
3
2015/16
335
12
27.92
36
3
2016/17
323
13
24.85
33
3
2017/18
319
12
26.58
33
2
2019/20
316
12
26.33
32
3
2020/21
306
12
25.50
32
4
2021/22
297
12
24.75
31
2
2022/23
272
12
22.67
30
2
2023/24
261
12
21.75
31
1
2024/25
264
11
24.00
31
4
2025/26
249
11
22.64
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2014/15: 304 in 2013/14 → 321, +17 pupils.
Biggest loss in a single year: 2022/23: 297 in 2021/22 → 272, -25 pupils.
Largest single-class increase: 6th Class in 2021/22 (37 → 49, +12).
Largest single-class decrease: Senior Infants in 2021/22 (45 → 30, -15).
Largest cohort-step gain: 1st → 2nd in 2024/25 (29 → 31, +2).
Largest cohort-step loss: 1st → 2nd in 2025/26 (28 → 26, -2).
Overall: 247 (1993/94) → 261 (2025/26), 14.
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
31
29.7
6
Senior Infants
27
45
32.3
6
1st Class
28
44
33.2
6
2nd Class
26
44
34.2
6
3rd Class
30
44
34.5
6
4th Class
29
44
35.7
6
5th Class
29
51
39.5
6
6th Class
29
49
37.8
6
Total
239
335
278.7
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).