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
24.12
2025/26
Mainstream classes
8
2025/26
Largest class group
35
2025/26
Classes with 30+ pupils
1
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
165
7
23.57
31
1
2007/08
168
7
24.00
29
0
2008/09
164
7
23.43
28
0
2009/10
149
7
21.29
26
0
2010/11
155
6
25.83
32
2
2011/12
159
6
26.50
31
1
2012/13
180
6
30.00
34
4
2013/14
191
7
27.29
35
3
2014/15
199
7
28.43
34
3
2015/16
203
7
29.00
34
3
2016/17
214
8
26.75
34
3
2017/18
221
8
27.62
33
3
2019/20
214
8
26.75
32
1
2020/21
204
8
25.50
31
1
2021/22
184
8
23.00
27
0
2022/23
197
8
24.62
35
1
2023/24
196
8
24.50
35
1
2024/25
190
8
23.75
35
1
2025/26
193
8
24.12
35
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1997/98: 114 in 1996/97 → 143, +29 pupils.
Biggest loss in a single year: 2021/22: 204 in 2020/21 → 184, -20 pupils.
Largest single-class increase: Junior Infants in 2022/23 (16 → 35, +19).
Largest single-class decrease: 1st Class in 2025/26 (35 → 15, -20).
Largest cohort-step gain: JI → SI in 2022/23 (16 → 19, +3).
Largest cohort-step loss: SI → 1st in 2025/26 (20 → 15, -5).
Overall: 47 (1993/94) → 193 (2025/26), 146.
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
16
35
22.3
6
Senior Infants
17
35
23.3
6
1st Class
15
35
23.3
6
2nd Class
22
35
25.7
6
3rd Class
22
27
24.2
6
4th Class
22
27
24.3
6
5th Class
21
28
25.2
6
6th Class
21
31
25.7
6
Total
47
221
168.5
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).