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
17.71
2025/26
Mainstream classes
7
2025/26
Largest class group
27
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
169
10
16.90
22
0
2007/08
159
9
17.67
22
0
2008/09
188
9
20.89
23
0
2009/10
194
10
19.40
22
0
2010/11
208
11
18.91
23
0
2011/12
209
11
19.00
24
0
2012/13
184
11
16.73
18
0
2013/14
164
10
16.40
19
0
2014/15
157
9
17.44
21
0
2015/16
137
8
17.12
19
0
2016/17
152
8
19.00
24
0
2017/18
155
8
19.38
25
0
2019/20
166
9
18.44
23
0
2020/21
159
9
17.67
20
0
2021/22
144
10
14.40
20
0
2022/23
138
8
17.25
23
0
2023/24
119
8
14.88
17
0
2024/25
122
7
17.43
30
1
2025/26
124
7
17.71
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1999/00: 191 in 1998/99 → 236, +45 pupils.
Biggest loss in a single year: 1993/94: 309 in 1983/84 → 198, -111 pupils.
Largest single-class increase: 1st Class in 2021/22 (37 → 46, +9).
Largest single-class decrease: Senior Infants in 2021/22 (49 → 35, -14).
Largest cohort-step gain: SI → 1st in 2025/26 (32 → 36, +4).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (44 → 0, -44).
Overall: 503 (1979/80) → 124 (2025/26), -379.
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
27
36
31.0
6
Senior Infants
27
49
33.7
6
1st Class
28
46
35.3
6
2nd Class
29
44
34.3
6
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
119
503
205.5
38
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).