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
25.00
2025/26
Mainstream classes
8
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
1
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
166
7
23.71
31
1
2007/08
168
6
28.00
32
2
2008/09
175
6
29.17
34
2
2009/10
185
7
26.43
35
4
2010/11
183
7
26.14
32
4
2011/12
190
7
27.14
33
3
2012/13
189
7
27.00
34
3
2013/14
199
7
28.43
34
3
2014/15
208
7
29.71
34
4
2015/16
210
8
26.25
34
2
2016/17
235
9
26.11
35
4
2017/18
261
10
26.10
35
2
2019/20
258
11
23.45
32
1
2020/21
242
11
22.00
32
1
2021/22
238
10
23.80
34
2
2022/23
230
10
23.00
33
2
2023/24
212
10
21.20
33
1
2024/25
198
9
22.00
31
2
2025/26
200
8
25.00
32
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1980/81: 515 in 1979/80 → 541, +26 pupils.
Biggest loss in a single year: 1993/94: 503 in 1982/83 → 308, -195 pupils.
Largest single-class increase: 6th Class in 2021/22 (35 → 45, +10).
Largest single-class decrease: 5th Class in 2023/24 (45 → 28, -17).
Largest cohort-step gain: 1st → 2nd in 2025/26 (32 → 39, +7).
Largest cohort-step loss: 1st → 2nd in 2024/25 (43 → 39, -4).
Overall: 493 (1975/76) → 212 (2025/26), -281.
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
29
43
34.0
6
2nd Class
32
39
34.8
6
3rd Class
31
43
36.3
6
4th Class
29
55
38.0
6
5th Class
28
53
38.5
6
6th Class
31
55
40.3
6
Total
167
541
266.7
41
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).