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
25.00
2025/26
Mainstream classes
7
2025/26
Largest class group
33
2025/26
Classes with 30+ pupils
2
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
150
6
25.00
29
0
2007/08
148
6
24.67
29
0
2008/09
161
6
26.83
34
3
2009/10
167
6
27.83
33
3
2010/11
173
6
28.83
33
4
2011/12
181
7
25.86
34
1
2012/13
179
7
25.57
35
2
2013/14
182
7
26.00
36
1
2014/15
180
7
25.71
31
2
2015/16
197
7
28.14
37
2
2016/17
185
7
26.43
36
2
2017/18
197
7
28.14
35
3
2019/20
185
7
26.43
34
2
2020/21
190
7
27.14
34
3
2021/22
184
7
26.29
34
3
2022/23
183
7
26.14
36
2
2023/24
184
7
26.29
33
2
2024/25
177
7
25.29
33
2
2025/26
175
7
25.00
33
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2015/16: 180 in 2014/15 → 197, +17 pupils.
Biggest loss in a single year: 1999/00: 165 in 1998/99 → 151, -14 pupils.
Largest single-class increase: Junior Infants in 2025/26 (11 → 27, +16).
Largest single-class decrease: Senior Infants in 2025/26 (29 → 11, -18).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (20 → 21, +1).
Largest cohort-step loss: 1st → 2nd in 2023/24 (25 → 23, -2).
Overall: 192 (1993/94) → 175 (2025/26), -17.
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
11
28
23.2
6
Senior Infants
11
29
22.2
6
1st Class
20
29
23.3
6
2nd Class
20
32
23.2
6
3rd Class
17
30
21.8
6
4th Class
17
30
22.3
6
5th Class
17
29
22.7
6
6th Class
18
29
23.5
6
Total
134
197
170.2
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).