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
23.36
2025/26
Mainstream classes
11
2025/26
Largest class group
28
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+
2017/18
259
11
23.55
31
1
2019/20
258
10
25.80
35
3
2020/21
251
10
25.10
35
2
2021/22
262
10
26.20
34
4
2022/23
270
10
27.00
34
3
2023/24
262
11
23.82
30
2
2024/25
262
11
23.82
28
0
2025/26
257
11
23.36
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2021/22: 251 in 2020/21 → 262, +11 pupils.
Biggest loss in a single year: 2023/24: 270 in 2022/23 → 262, -8 pupils.
Largest single-class increase: 2nd Class in 2022/23 (25 → 51, +26).
Largest single-class decrease: 3rd Class in 2024/25 (52 → 28, -24).
Largest cohort-step gain: 2nd → 3rd in 2022/23 (25 → 29, +4).
Largest cohort-step loss: 3rd → 4th in 2024/25 (52 → 49, -3).
Overall: 259 (2017/18) → 263 (2025/26), 4.
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
23
42
30.8
6
Senior Infants
23
45
32.2
6
1st Class
24
48
30.3
6
2nd Class
25
51
33.2
6
3rd Class
27
52
33.5
6
4th Class
28
49
34.5
6
5th Class
28
48
35.7
6
6th Class
27
40
32.5
6
Total
251
270
260.6
9
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).