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
23.64
2025/26
Mainstream classes
14
2025/26
Largest class group
29
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
216
8
27.00
33
1
2007/08
243
9
27.00
31
2
2008/09
248
9
27.56
32
2
2009/10
279
10
27.90
34
4
2010/11
273
10
27.30
34
4
2011/12
279
10
27.90
33
4
2012/13
291
10
29.10
31
5
2013/14
328
12
27.33
36
4
2014/15
335
12
27.92
30
3
2015/16
332
12
27.67
30
3
2016/17
340
13
26.15
30
1
2017/18
341
13
26.23
30
2
2019/20
332
14
23.71
30
1
2020/21
324
13
24.92
29
0
2021/22
315
13
24.23
29
0
2022/23
344
14
24.57
30
1
2023/24
336
15
22.40
27
0
2024/25
330
15
22.00
28
0
2025/26
331
14
23.64
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2013/14: 291 in 2012/13 → 328, +37 pupils.
Biggest loss in a single year: 1994/95: 233 in 1993/94 → 209, -24 pupils.
Largest single-class increase: 3rd Class in 2022/23 (33 → 49, +16).
Largest single-class decrease: 3rd Class in 2023/24 (49 → 37, -12).
Largest cohort-step gain: 1st → 2nd in 2025/26 (44 → 52, +8).
Largest cohort-step loss: 2nd → 3rd in 2024/25 (45 → 38, -7).
Overall: 178 (1974/75) → 343 (2025/26), 165.
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
28
45
38.0
6
Senior Infants
33
45
40.5
6
1st Class
35
47
43.0
6
2nd Class
32
52
42.8
6
3rd Class
33
49
39.2
6
4th Class
37
51
41.5
6
5th Class
36
51
42.0
6
6th Class
38
52
45.0
6
Total
151
356
246.7
43
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).