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
23.47
2025/26
Mainstream classes
15
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
276
10
27.60
31
5
2007/08
275
10
27.50
32
4
2008/09
278
10
27.80
30
1
2009/10
274
10
27.40
33
3
2010/11
280
10
28.00
32
5
2011/12
270
10
27.00
31
2
2012/13
251
10
25.10
28
0
2013/14
272
9
30.22
33
6
2014/15
262
10
26.20
33
3
2015/16
272
10
27.20
34
3
2016/17
278
10
27.80
31
3
2017/18
281
10
28.10
32
5
2019/20
372
14
26.57
29
0
2020/21
375
14
26.79
30
1
2021/22
350
15
23.33
26
0
2022/23
353
14
25.21
27
0
2023/24
349
15
23.27
28
0
2024/25
355
14
25.36
28
0
2025/26
352
15
23.47
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2019/20: 286 in 2018/19 → 372, +86 pupils.
Biggest loss in a single year: 1993/94: 361 in 1983/84 → 314, -47 pupils.
Largest single-class increase: 4th Class in 2023/24 (80 → 101, +21).
Largest single-class decrease: 4th Class in 2021/22 (100 → 70, -30).
Largest cohort-step gain: 3rd → 4th in 2024/25 (88 → 94, +6).
Largest cohort-step loss: 3rd → 4th in 2025/26 (79 → 75, -4).
Overall: 292 (1974/75) → 352 (2025/26), 60.
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
0
0
0.0
1
3rd Class
70
99
82.8
6
4th Class
70
101
86.7
6
5th Class
71
101
91.7
6
6th Class
76
106
94.5
6
Total
240
395
303.0
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).