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
22.64
2025/26
Mainstream classes
36
2025/26
Largest class group
28
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
782
31
25.23
33
1
2007/08
778
37
21.03
28
0
2008/09
794
37
21.46
25
0
2009/10
779
36
21.64
26
0
2010/11
779
35
22.26
28
0
2011/12
793
35
22.66
28
0
2012/13
803
35
22.94
29
0
2013/14
797
35
22.77
29
0
2014/15
782
32
24.44
28
0
2015/16
796
32
24.88
28
0
2016/17
791
35
22.60
28
0
2017/18
808
36
22.44
29
0
2019/20
808
36
22.44
29
0
2020/21
796
36
22.11
27
0
2021/22
800
37
21.62
27
0
2022/23
814
37
22.00
27
0
2023/24
813
37
21.97
29
0
2024/25
813
37
21.97
28
0
2025/26
815
36
22.64
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1995/96: 699 in 1994/95 → 747, +48 pupils.
Biggest loss in a single year: 1996/97: 747 in 1995/96 → 705, -42 pupils.
Largest single-class increase: 2nd Class in 2025/26 (92 → 117, +25).
Largest single-class decrease: Senior Infants in 2022/23 (103 → 88, -15).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (92 → 105, +13).
Largest cohort-step loss: 3rd → 4th in 2021/22 (105 → 97, -8).
Overall: 699 (1994/95) → 869 (2025/26), 170.
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
89
104
97.5
6
Senior Infants
88
105
99.3
6
1st Class
91
109
102.0
6
2nd Class
92
117
103.7
6
3rd Class
101
112
104.8
6
4th Class
97
113
106.2
6
5th Class
92
116
103.8
6
6th Class
89
113
100.7
6
Total
699
870
816.4
32
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).