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
23.17
2025/26
Mainstream classes
18
2025/26
Largest class group
26
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
438
17
25.76
31
2
2007/08
390
16
24.38
29
0
2008/09
333
14
23.79
28
0
2009/10
316
12
26.33
29
0
2010/11
324
12
27.00
29
0
2011/12
326
12
27.17
29
0
2012/13
328
12
27.33
29
0
2013/14
334
12
27.83
30
2
2014/15
339
12
28.25
32
2
2015/16
359
13
27.62
31
1
2016/17
379
14
27.07
30
2
2017/18
424
16
26.50
30
1
2019/20
467
17
27.47
30
3
2020/21
466
18
25.89
29
0
2021/22
422
17
24.82
29
0
2022/23
426
17
25.06
29
0
2023/24
451
18
25.06
27
0
2024/25
437
18
24.28
27
0
2025/26
417
18
23.17
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 291 in 1999/00 → 342, +51 pupils.
Biggest loss in a single year: 2008/09: 390 in 2007/08 → 333, -57 pupils.
Largest single-class increase: 3rd Class in 2023/24 (100 → 126, +26).
Largest single-class decrease: 3rd Class in 2024/25 (126 → 98, -28).
Largest cohort-step gain: 5th → 6th in 2025/26 (106 → 118, +12).
Largest cohort-step loss: 4th → 5th in 2021/22 (104 → 102, -2).
Overall: 323 (1995/96) → 438 (2025/26), 115.
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
81
126
101.7
6
4th Class
102
126
109.8
6
5th Class
102
130
111.8
6
6th Class
107
134
116.7
6
Total
290
478
386.1
31
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).