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
23.00
2025/26
Mainstream classes
16
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
423
15
28.20
35
7
2007/08
427
15
28.47
35
6
2008/09
421
16
26.31
30
2
2009/10
398
15
26.53
31
2
2010/11
367
15
24.47
31
1
2011/12
361
14
25.79
30
2
2012/13
367
13
28.23
36
4
2013/14
367
14
26.21
33
3
2014/15
333
14
23.79
33
1
2015/16
353
13
27.15
34
5
2016/17
367
14
26.21
33
2
2017/18
365
14
26.07
31
2
2019/20
389
15
25.93
34
4
2020/21
374
15
24.93
32
4
2021/22
357
15
23.80
33
1
2022/23
362
15
24.13
31
1
2023/24
374
15
24.93
30
1
2024/25
380
16
23.75
29
0
2025/26
368
16
23.00
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1976/77: 545 in 1975/76 → 580, +35 pupils.
Biggest loss in a single year: 1993/94: 557 in 1983/84 → 500, -57 pupils.
Largest single-class increase: 2nd Class in 2023/24 (33 → 46, +13).
Largest single-class decrease: 2nd Class in 2022/23 (47 → 33, -14).
Largest cohort-step gain: 1st → 2nd in 2023/24 (38 → 46, +8).
Largest cohort-step loss: 4th → 5th in 2021/22 (57 → 53, -4).
Overall: 562 (1974/75) → 368 (2025/26), -194.
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
35
51
43.0
6
Senior Infants
32
50
41.0
6
1st Class
33
51
42.5
6
2nd Class
33
51
45.0
6
3rd Class
37
48
45.2
6
4th Class
41
57
48.3
6
5th Class
42
53
49.8
6
6th Class
49
60
54.3
6
Total
333
601
444.5
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).