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
14.29
2025/26
Mainstream classes
21
2025/26
Largest class group
17
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
409
27
15.15
18
0
2007/08
425
31
13.71
16
0
2008/09
444
30
14.80
18
0
2009/10
441
30
14.70
17
0
2010/11
433
30
14.43
17
0
2011/12
433
28
15.46
17
0
2012/13
429
26
16.50
22
0
2013/14
432
26
16.62
22
0
2014/15
419
26
16.12
23
0
2015/16
414
25
16.56
23
0
2016/17
392
24
16.33
22
0
2017/18
377
23
16.39
21
0
2019/20
362
23
15.74
18
0
2020/21
345
22
15.68
20
0
2021/22
332
21
15.81
21
0
2022/23
310
21
14.76
17
0
2023/24
308
21
14.67
19
0
2024/25
308
21
14.67
20
0
2025/26
300
21
14.29
17
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1981/82: 247 in 1980/81 → 512, +265 pupils.
Biggest loss in a single year: 1983/84: 692 in 1982/83 → 600, -92 pupils.
Largest single-class increase: Senior Infants in 2023/24 (71 → 84, +13).
Largest single-class decrease: Senior Infants in 2025/26 (79 → 62, -17).
Largest cohort-step gain: SI → 1st in 2025/26 (79 → 85, +6).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (97 → 0, -97).
Overall: 247 (1980/81) → 300 (2025/26), 53.
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
70
85
76.8
6
Senior Infants
62
84
75.7
6
1st Class
71
91
80.8
6
2nd Class
72
97
83.8
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
247
692
424.2
37
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).