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
19.89
2025/26
Mainstream classes
9
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
187
10
18.70
25
0
2007/08
179
10
17.90
25
0
2008/09
165
9
18.33
24
0
2009/10
145
7
20.71
23
0
2010/11
144
7
20.57
23
0
2011/12
139
8
17.38
25
0
2012/13
147
7
21.00
33
1
2013/14
151
7
21.57
31
1
2014/15
150
7
21.43
30
1
2015/16
153
7
21.86
31
1
2016/17
165
7
23.57
30
1
2017/18
173
7
24.71
30
1
2019/20
179
8
22.38
26
0
2020/21
178
8
22.25
27
0
2021/22
190
8
23.75
30
1
2022/23
186
8
23.25
29
0
2023/24
189
8
23.62
31
1
2024/25
184
9
20.44
27
0
2025/26
179
9
19.89
25
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1996/97: 337 in 1995/96 → 378, +41 pupils.
Biggest loss in a single year: 2004/05: 310 in 2003/04 → 271, -39 pupils.
Largest single-class increase: Junior Infants in 2025/26 (21 → 32, +11).
Largest single-class decrease: 1st Class in 2024/25 (31 → 22, -9).
Largest cohort-step gain: 3rd → 4th in 2025/26 (21 → 27, +6).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (33 → 29, -4).
Overall: 312 (1993/94) → 209 (2025/26), -103.
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
20
32
25.0
6
Senior Infants
21
29
23.8
6
1st Class
22
31
24.7
6
2nd Class
22
33
25.7
6
3rd Class
19
29
23.2
6
4th Class
19
27
22.7
6
5th Class
18
25
22.2
6
6th Class
18
27
22.3
6
Total
168
378
253.3
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).