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
17
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
485
18
26.94
31
1
2007/08
518
19
27.26
31
4
2008/09
535
20
26.75
29
0
2009/10
554
20
27.70
29
0
2010/11
536
20
26.80
31
3
2011/12
538
20
26.90
29
0
2012/13
549
20
27.45
30
4
2013/14
546
20
27.30
30
2
2014/15
555
20
27.75
30
2
2015/16
550
20
27.50
31
2
2016/17
519
20
25.95
28
0
2017/18
500
19
26.32
29
0
2019/20
482
19
25.37
28
0
2020/21
458
19
24.11
29
0
2021/22
475
19
25.00
28
0
2022/23
445
19
23.42
28
0
2023/24
448
18
24.89
28
0
2024/25
413
18
22.94
27
0
2025/26
391
17
23.00
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2000/01: 396 in 1999/00 → 437, +41 pupils.
Biggest loss in a single year: 2024/25: 454 in 2023/24 → 419, -35 pupils.
Largest single-class increase: 2nd Class in 2021/22 (105 → 137, +32).
Largest single-class decrease: 2nd Class in 2022/23 (137 → 110, -27).
Largest cohort-step gain: JI → SI in 2023/24 (113 → 119, +6).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (137 → 0, -137).
Overall: 373 (1996/97) → 397 (2025/26), 24.
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
82
122
102.0
6
Senior Infants
89
119
108.0
6
1st Class
107
135
115.3
6
2nd Class
105
137
114.0
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
373
565
484.9
30
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).