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
19.00
2025/26
Mainstream classes
12
2025/26
Largest class group
24
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+
2015/16
423
16
26.44
31
6
2016/17
434
16
27.12
33
5
2017/18
447
17
26.29
32
4
2019/20
348
16
21.75
26
0
2020/21
336
14
24.00
28
0
2021/22
316
14
22.57
29
0
2022/23
296
14
21.14
29
0
2023/24
276
13
21.23
30
1
2024/25
254
12
21.17
26
0
2025/26
228
12
19.00
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 435 in 2015/16 → 452, +17 pupils.
Biggest loss in a single year: 2019/20: 412 in 2018/19 → 363, -49 pupils.
Largest single-class increase: Senior Infants in 2025/26 (59 → 74, +15).
Largest single-class decrease: 1st Class in 2024/25 (77 → 54, -23).
Largest cohort-step gain: JI → SI in 2025/26 (64 → 74, +10).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (98 → 0, -98).
Overall: 435 (2015/16) → 250 (2025/26), -185.
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
56
82
66.2
6
Senior Infants
58
84
71.3
6
1st Class
54
84
72.0
6
2nd Class
59
98
78.7
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
250
460
359.6
11
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).