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
26.43
2025/26
Mainstream classes
7
2025/26
Largest class group
32
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
171
6
28.50
35
2
2007/08
170
6
28.33
33
4
2008/09
179
6
29.83
33
2
2009/10
185
7
26.43
28
0
2010/11
188
7
26.86
28
0
2011/12
191
7
27.29
30
2
2012/13
192
7
27.43
32
3
2013/14
183
7
26.14
31
1
2014/15
186
7
26.57
30
1
2015/16
184
7
26.29
29
0
2016/17
183
7
26.14
30
1
2017/18
184
7
26.29
31
3
2019/20
197
7
28.14
32
4
2020/21
190
7
27.14
33
3
2021/22
185
7
26.43
31
2
2022/23
189
7
27.00
31
2
2023/24
174
7
24.86
31
1
2024/25
187
7
26.71
31
1
2025/26
185
7
26.43
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 180 in 1974/75 → 208, +28 pupils.
Biggest loss in a single year: 2001/02: 180 in 2000/01 → 163, -17 pupils.
Largest single-class increase: Senior Infants in 2025/26 (12 → 30, +18).
Largest single-class decrease: Senior Infants in 2024/25 (25 → 12, -13).
Largest cohort-step gain: 1st → 2nd in 2025/26 (26 → 29, +3).
Largest cohort-step loss: 5th → 6th in 2021/22 (23 → 21, -2).
Overall: 180 (1974/75) → 185 (2025/26), 5.
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
12
29
20.3
6
Senior Infants
12
30
21.0
6
1st Class
13
29
21.3
6
2nd Class
19
30
24.0
6
3rd Class
19
31
23.5
6
4th Class
20
31
25.2
6
5th Class
20
31
24.8
6
6th Class
20
32
24.8
6
Total
154
230
190.8
42
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).