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
22.75
2025/26
Mainstream classes
20
2025/26
Largest class group
25
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
235
12
19.58
21
0
2007/08
283
12
23.58
31
1
2008/09
296
14
21.14
25
0
2009/10
323
15
21.53
24
0
2010/11
375
16
23.44
27
0
2011/12
368
16
23.00
27
0
2012/13
378
17
22.24
28
0
2013/14
404
18
22.44
27
0
2014/15
432
19
22.74
29
0
2015/16
428
19
22.53
27
0
2016/17
429
19
22.58
29
0
2017/18
442
19
23.26
29
0
2019/20
471
21
22.43
25
0
2020/21
465
21
22.14
25
0
2021/22
490
21
23.33
26
0
2022/23
484
21
23.05
26
0
2023/24
476
20
23.80
26
0
2024/25
459
20
22.95
27
0
2025/26
455
20
22.75
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2010/11: 346 in 2009/10 → 399, +53 pupils.
Biggest loss in a single year: 1993/94: 330 in 1983/84 → 229, -101 pupils.
Largest single-class increase: 6th Class in 2021/22 (110 → 125, +15).
Largest single-class decrease: 6th Class in 2023/24 (139 → 119, -20).
Largest cohort-step gain: 3rd → 4th in 2023/24 (101 → 116, +15).
Largest cohort-step loss: 4th → 5th in 2024/25 (116 → 112, -4).
Overall: 323 (1982/83) → 466 (2025/26), 143.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
0
0
0.0
1
3rd Class
101
117
108.2
6
4th Class
114
127
119.0
6
5th Class
112
132
122.3
6
6th Class
110
139
123.8
6
Total
166
503
340.8
35
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).