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
24.00
2025/26
Mainstream classes
18
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
432
16
27.00
33
7
2007/08
439
16
27.44
38
4
2008/09
465
17
27.35
32
4
2009/10
463
17
27.24
32
4
2010/11
458
17
26.94
31
4
2011/12
441
17
25.94
31
2
2012/13
448
16
28.00
31
5
2013/14
433
16
27.06
31
2
2014/15
433
16
27.06
31
4
2015/16
436
16
27.25
30
4
2016/17
433
16
27.06
31
3
2017/18
443
16
27.69
32
3
2019/20
459
17
27.00
32
2
2020/21
451
17
26.53
32
2
2021/22
444
17
26.12
32
2
2022/23
456
18
25.33
30
1
2023/24
448
18
24.89
30
2
2024/25
442
18
24.56
30
1
2025/26
432
18
24.00
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 365 in 2004/05 → 403, +38 pupils.
Biggest loss in a single year: 2011/12: 458 in 2010/11 → 441, -17 pupils.
Largest single-class increase: 5th Class in 2021/22 (49 → 60, +11).
Largest single-class decrease: Senior Infants in 2021/22 (72 → 53, -19).
Largest cohort-step gain: 1st → 2nd in 2021/22 (52 → 61, +9).
Largest cohort-step loss: SI → 1st in 2021/22 (72 → 59, -13).
Overall: 321 (1993/94) → 438 (2025/26), 117.
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
51
56
53.3
6
Senior Infants
52
72
56.8
6
1st Class
52
59
55.3
6
2nd Class
52
61
56.3
6
3rd Class
52
63
56.0
6
4th Class
51
62
57.0
6
5th Class
49
62
56.3
6
6th Class
49
62
55.3
6
Total
278
465
394.6
33
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).