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
22.94
2025/26
Mainstream classes
16
2025/26
Largest class group
26
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
181
8
22.62
28
0
2007/08
247
11
22.45
28
0
2008/09
315
12
26.25
30
1
2009/10
344
12
28.67
31
4
2010/11
365
13
28.08
30
3
2011/12
362
14
25.86
30
1
2012/13
395
16
24.69
30
1
2013/14
428
16
26.75
31
6
2014/15
433
16
27.06
32
5
2015/16
432
16
27.00
32
4
2016/17
427
16
26.69
31
4
2017/18
397
16
24.81
27
0
2019/20
406
16
25.38
29
0
2020/21
404
16
25.25
30
1
2021/22
387
16
24.19
27
0
2022/23
367
16
22.94
26
0
2023/24
328
16
20.50
24
0
2024/25
340
15
22.67
26
0
2025/26
367
16
22.94
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2006/07: 91 in 2005/06 → 181, +90 pupils.
Biggest loss in a single year: 2023/24: 379 in 2022/23 → 346, -33 pupils.
Largest single-class increase: 2nd Class in 2022/23 (103 → 129, +26).
Largest single-class decrease: 2nd Class in 2023/24 (129 → 95, -34).
Largest cohort-step gain: 1st → 2nd in 2025/26 (84 → 93, +9).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (129 → 0, -129).
Overall: 91 (2005/06) → 397 (2025/26), 306.
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
75
111
88.8
6
Senior Infants
72
115
88.8
6
1st Class
74
122
94.8
6
2nd Class
73
129
98.0
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
91
444
362.4
21
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).