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
25.25
2025/26
Mainstream classes
24
2025/26
Largest class group
27
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
497
19
26.16
29
0
2007/08
496
19
26.11
30
1
2008/09
505
19
26.58
31
4
2009/10
480
19
25.26
28
0
2010/11
507
18
28.17
32
7
2011/12
514
19
27.05
32
4
2012/13
559
21
26.62
29
0
2013/14
561
21
26.71
28
0
2014/15
578
21
27.52
30
2
2015/16
604
22
27.45
29
0
2016/17
649
24
27.04
30
4
2017/18
682
26
26.23
30
4
2019/20
708
27
26.22
28
0
2020/21
688
27
25.48
28
0
2021/22
654
27
24.22
27
0
2022/23
624
25
24.96
28
0
2023/24
619
25
24.76
28
0
2024/25
609
25
24.36
28
0
2025/26
606
24
25.25
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2012/13: 529 in 2011/12 → 579, +50 pupils.
Biggest loss in a single year: 2004/05: 589 in 2003/04 → 548, -41 pupils.
Largest single-class increase: 3rd Class in 2025/26 (145 → 158, +13).
Largest single-class decrease: 5th Class in 2021/22 (180 → 162, -18).
Largest cohort-step gain: 3rd → 4th in 2025/26 (145 → 152, +7).
Largest cohort-step loss: 5th → 6th in 2023/24 (157 → 154, -3).
Overall: 608 (1993/94) → 624 (2025/26), 16.
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
1
1
1.0
1
3rd Class
145
159
154.8
6
4th Class
152
162
156.2
6
5th Class
153
180
160.7
6
6th Class
154
187
166.0
6
Total
498
728
620.4
33
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).