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
25.22
2025/26
Mainstream classes
9
2025/26
Largest class group
34
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
146
6
24.33
29
0
2007/08
148
6
24.67
30
2
2008/09
148
6
24.67
30
1
2009/10
147
6
24.50
30
1
2010/11
159
6
26.50
29
0
2011/12
168
6
28.00
35
4
2012/13
178
7
25.43
32
1
2013/14
186
7
26.57
30
2
2014/15
182
7
26.00
33
1
2015/16
194
8
24.25
33
1
2016/17
191
8
23.88
33
1
2017/18
204
8
25.50
34
1
2019/20
216
9
24.00
30
1
2020/21
206
9
22.89
30
1
2021/22
207
9
23.00
30
1
2022/23
222
9
24.67
30
1
2023/24
212
10
21.20
29
0
2024/25
228
10
22.80
29
0
2025/26
227
9
25.22
34
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2024/25: 239 in 2023/24 → 258, +19 pupils.
Biggest loss in a single year: 1999/00: 216 in 1998/99 → 197, -19 pupils.
Largest single-class increase: Senior Infants in 2025/26 (18 → 36, +18).
Largest single-class decrease: Junior Infants in 2023/24 (33 → 18, -15).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (26 → 31, +5).
Largest cohort-step loss: SI → 1st in 2023/24 (27 → 26, -1).
Overall: 214 (1977/78) → 255 (2025/26), 41.
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
18
35
27.8
6
Senior Infants
18
36
27.8
6
1st Class
21
35
27.8
6
2nd Class
25
37
28.7
6
3rd Class
20
31
27.5
6
4th Class
21
30
27.8
6
5th Class
20
35
27.5
6
6th Class
20
30
27.3
6
Total
139
258
206.6
40
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).