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
22.75
2025/26
Mainstream classes
8
2025/26
Largest class group
37
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
229
10
22.90
29
0
2007/08
222
10
22.20
29
0
2008/09
231
9
25.67
36
2
2009/10
220
10
22.00
30
1
2010/11
214
9
23.78
29
0
2011/12
216
9
24.00
31
1
2012/13
218
9
24.22
30
1
2013/14
229
9
25.44
31
1
2014/15
232
9
25.78
30
1
2015/16
224
10
22.40
32
3
2016/17
220
9
24.44
32
3
2017/18
220
9
24.44
31
2
2019/20
224
10
22.40
30
2
2020/21
216
9
24.00
30
2
2021/22
196
9
21.78
28
0
2022/23
200
9
22.22
29
0
2023/24
186
9
20.67
27
0
2024/25
182
9
20.22
26
0
2025/26
182
8
22.75
37
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1996/97: 168 in 1995/96 → 198, +30 pupils.
Biggest loss in a single year: 1979/80: 171 in 1977/78 → 123, -48 pupils.
Largest single-class increase: 6th Class in 2022/23 (18 → 28, +10).
Largest single-class decrease: 6th Class in 2021/22 (35 → 18, -17).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (20 → 23, +3).
Largest cohort-step loss: SI → 1st in 2022/23 (27 → 24, -3).
Overall: 238 (1975/76) → 193 (2025/26), -45.
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
21
36
27.0
6
Senior Infants
20
27
23.3
6
1st Class
17
27
22.7
6
2nd Class
17
30
23.8
6
3rd Class
15
28
24.0
6
4th Class
14
30
24.7
6
5th Class
15
28
23.7
6
6th Class
18
35
26.5
6
Total
102
265
203.9
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).