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
22.88
2025/26
Mainstream classes
8
2025/26
Largest class group
31
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
179
6
29.83
35
2
2007/08
182
7
26.00
30
1
2008/09
190
7
27.14
36
2
2009/10
185
7
26.43
30
2
2010/11
184
7
26.29
30
2
2011/12
177
7
25.29
32
2
2012/13
174
7
24.86
33
2
2013/14
175
7
25.00
33
2
2014/15
164
7
23.43
32
2
2015/16
177
7
25.29
33
2
2016/17
177
7
25.29
32
2
2017/18
179
7
25.57
32
2
2019/20
179
7
25.57
31
1
2020/21
187
7
26.71
33
2
2021/22
186
7
26.57
33
2
2022/23
192
8
24.00
30
1
2023/24
184
8
23.00
31
1
2024/25
183
8
22.88
32
1
2025/26
183
8
22.88
31
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 243 in 1974/75 → 267, +24 pupils.
Biggest loss in a single year: 1993/94: 275 in 1983/84 → 183, -92 pupils.
Largest single-class increase: Junior Infants in 2025/26 (23 → 37, +14).
Largest single-class decrease: 3rd Class in 2025/26 (32 → 17, -15).
Largest cohort-step gain: SI → 1st in 2022/23 (28 → 30, +2).
Largest cohort-step loss: 1st → 2nd in 2024/25 (19 → 17, -2).
Overall: 243 (1974/75) → 201 (2025/26), -42.
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
17
37
23.8
6
Senior Infants
17
28
22.5
6
1st Class
17
30
22.8
6
2nd Class
17
31
23.0
6
3rd Class
17
32
23.7
6
4th Class
20
31
25.8
6
5th Class
19
28
24.2
6
6th Class
19
28
23.0
6
Total
131
297
199.3
43
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).