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
21.80
2025/26
Mainstream classes
15
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
427
16
26.69
30
1
2007/08
397
16
24.81
28
0
2008/09
397
16
24.81
27
0
2009/10
423
16
26.44
29
0
2010/11
412
16
25.75
31
1
2011/12
440
16
27.50
30
2
2012/13
436
16
27.25
30
2
2013/14
428
16
26.75
29
0
2014/15
424
16
26.50
28
0
2015/16
423
16
26.44
29
0
2016/17
422
16
26.38
31
2
2017/18
403
16
25.19
31
3
2019/20
373
16
23.31
26
0
2020/21
374
15
24.93
28
0
2021/22
366
15
24.40
27
0
2022/23
357
15
23.80
28
0
2023/24
346
15
23.07
26
0
2024/25
345
16
21.56
26
0
2025/26
327
15
21.80
26
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1977/78: 115 in 1976/77 → 192, +77 pupils.
Biggest loss in a single year: 2007/08: 455 in 2006/07 → 429, -26 pupils.
Largest single-class increase: Senior Infants in 2022/23 (75 → 95, +20).
Largest single-class decrease: Senior Infants in 2021/22 (100 → 75, -25).
Largest cohort-step gain: JI → SI in 2023/24 (79 → 89, +10).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (102 → 0, -102).
Overall: 115 (1976/77) → 333 (2025/26), 218.
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
72
92
78.8
6
Senior Infants
75
100
85.5
6
1st Class
81
104
93.2
6
2nd Class
87
102
96.0
6
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
115
499
402.0
41
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).