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
24.44
2025/26
Mainstream classes
9
2025/26
Largest class group
26
2025/26
Classes with 30+ pupils
0
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
315
11
28.64
31
5
2007/08
327
12
27.25
30
3
2008/09
294
12
24.50
28
0
2009/10
275
11
25.00
28
0
2010/11
253
10
25.30
29
0
2011/12
253
9
28.11
30
1
2012/13
266
9
29.56
35
6
2013/14
271
10
27.10
30
1
2014/15
284
10
28.40
33
4
2015/16
253
10
25.30
31
4
2016/17
265
9
29.44
34
4
2017/18
255
10
25.50
28
0
2019/20
259
11
23.55
28
0
2020/21
264
10
26.40
30
1
2021/22
242
10
24.20
30
1
2022/23
246
10
24.60
28
0
2023/24
237
10
23.70
25
0
2024/25
215
10
21.50
27
0
2025/26
220
9
24.44
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1978/79: 426 in 1977/78 → 471, +45 pupils.
Biggest loss in a single year: 2003/04: 291 in 2002/03 → 233, -58 pupils.
Largest single-class increase: Junior Infants in 2021/22 (74 → 88, +14).
Largest single-class decrease: 1st Class in 2021/22 (105 → 79, -26).
Largest cohort-step gain: SI → 1st in 2022/23 (75 → 81, +6).
Largest cohort-step loss: 1st → 2nd in 2021/22 (105 → 0, -105).
Overall: 401 (1974/75) → 220 (2025/26), -181.
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
70
88
75.0
6
Senior Infants
69
89
77.7
6
1st Class
74
105
84.7
6
2nd Class
0
0
0.0
1
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
215
471
296.3
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).