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
14.22
2025/26
Mainstream classes
9
2025/26
Largest class group
15
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
209
11
19.00
21
0
2007/08
237
12
19.75
22
0
2008/09
208
12
17.33
20
0
2009/10
183
11
16.64
18
0
2010/11
170
10
17.00
19
0
2011/12
191
10
19.10
23
0
2012/13
197
10
19.70
23
0
2013/14
205
10
20.50
22
0
2014/15
208
11
18.91
21
0
2015/16
223
11
20.27
22
0
2016/17
244
12
20.33
22
0
2017/18
234
13
18.00
20
0
2019/20
232
12
19.33
21
0
2020/21
223
12
18.58
21
0
2021/22
179
12
14.92
20
0
2022/23
168
10
16.80
19
0
2023/24
149
10
14.90
18
0
2024/25
150
9
16.67
21
0
2025/26
128
9
14.22
15
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 236 in 2000/01 → 257, +21 pupils.
Biggest loss in a single year: 1997/98: 350 in 1996/97 → 292, -58 pupils.
Largest single-class increase: Senior Infants in 2023/24 (44 → 71, +27).
Largest single-class decrease: Junior Infants in 2023/24 (69 → 41, -28).
Largest cohort-step gain: JI → SI in 2023/24 (69 → 71, +2).
Largest cohort-step loss: 1st → 2nd in 2021/22 (82 → 0, -82).
Overall: 350 (1996/97) → 140 (2025/26), -210.
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
41
69
52.5
6
Senior Infants
43
77
57.0
6
1st Class
43
82
60.7
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
140
350
224.0
30
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).