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
17.75
2025/26
Mainstream classes
8
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
187
8
23.38
29
0
2007/08
179
9
19.89
24
0
2008/09
175
8
21.88
26
0
2009/10
181
8
22.62
30
1
2010/11
186
8
23.25
25
0
2011/12
173
9
19.22
25
0
2012/13
171
8
21.38
25
0
2013/14
155
8
19.38
22
0
2014/15
155
8
19.38
23
0
2015/16
154
8
19.25
23
0
2016/17
190
10
19.00
21
0
2017/18
196
9
21.78
25
0
2019/20
197
10
19.70
27
0
2020/21
185
9
20.56
25
0
2021/22
172
9
19.11
25
0
2022/23
147
9
16.33
21
0
2023/24
140
8
17.50
27
0
2024/25
149
7
21.29
28
0
2025/26
142
8
17.75
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2016/17: 154 in 2015/16 → 190, +36 pupils.
Biggest loss in a single year: 1993/94: 415 in 1982/83 → 364, -51 pupils.
Largest single-class increase: 2nd Class in 2021/22 (23 → 40, +17).
Largest single-class decrease: 2nd Class in 2022/23 (40 → 19, -21).
Largest cohort-step gain: 3rd → 4th in 2024/25 (21 → 27, +6).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (28 → 24, -4).
Overall: 457 (1974/75) → 148 (2025/26), -309.
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
19
40
27.7
6
3rd Class
21
39
26.8
6
4th Class
25
39
30.5
6
5th Class
25
42
32.7
6
6th Class
28
56
39.2
6
Total
140
457
266.6
42
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).