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
20.22
2025/26
Mainstream classes
9
2025/26
Largest class group
23
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
188
10
18.80
22
0
2007/08
205
12
17.08
20
0
2008/09
215
12
17.92
21
0
2009/10
197
12
16.42
19
0
2010/11
197
12
16.42
21
0
2011/12
211
11
19.18
26
0
2012/13
215
10
21.50
26
0
2013/14
209
10
20.90
24
0
2014/15
220
10
22.00
27
0
2015/16
223
10
22.30
29
0
2016/17
225
11
20.45
27
0
2017/18
222
11
20.18
25
0
2019/20
211
10
21.10
28
0
2020/21
209
9
23.22
28
0
2021/22
209
9
23.22
28
0
2022/23
213
10
21.30
28
0
2023/24
190
10
19.00
27
0
2024/25
187
9
20.78
28
0
2025/26
182
9
20.22
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 33 in 1983/84 → 498, +465 pupils.
Biggest loss in a single year: 1997/98: 432 in 1996/97 → 360, -72 pupils.
Largest single-class increase: 6th Class in 2022/23 (49 → 56, +7).
Largest single-class decrease: 6th Class in 2023/24 (56 → 48, -8).
Largest cohort-step gain: 4th → 5th in 2025/26 (44 → 51, +7).
Largest cohort-step loss: 5th → 6th in 2023/24 (52 → 48, -4).
Overall: 33 (1983/84) → 194 (2025/26), 161.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
0
0
0.0
1
3rd Class
41
52
47.8
6
4th Class
44
56
50.2
6
5th Class
48
56
51.7
6
6th Class
48
56
51.5
6
Total
33
507
256.6
34
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).