Griffith Barracks Multi-denominational School Company Limited by Guarantee
School type
Ordinary
School level
All-Through School
Planning area
Dublin_8
Class size history
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
25.19
2025/26
Mainstream classes
16
2025/26
Largest class group
27
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
211
8
26.38
30
3
2007/08
217
8
27.12
31
1
2008/09
243
9
27.00
29
0
2009/10
246
9
27.33
29
0
2010/11
243
9
27.00
28
0
2011/12
248
9
27.56
29
0
2012/13
247
9
27.44
28
0
2013/14
242
9
26.89
28
0
2014/15
247
9
27.44
29
0
2015/16
251
9
27.89
29
0
2016/17
254
9
28.22
29
0
2017/18
252
10
25.20
29
0
2019/20
309
11
28.09
30
1
2020/21
335
12
27.92
29
0
2021/22
361
13
27.77
30
1
2022/23
379
14
27.07
30
1
2023/24
398
15
26.53
29
0
2024/25
387
15
25.80
29
0
2025/26
403
16
25.19
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 180 in 2004/05 → 217, +37 pupils.
Biggest loss in a single year: 2024/25: 398 in 2023/24 → 387, -11 pupils.
Largest single-class increase: 4th Class in 2023/24 (27 → 53, +26).
Largest single-class decrease: 4th Class in 2022/23 (54 → 27, -27).
Largest cohort-step gain: JI → SI in 2023/24 (54 → 56, +2).
Largest cohort-step loss: SI → 1st in 2022/23 (57 → 52, -5).
Overall: 10 (1994/95) → 403 (2025/26), 393.
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
57
53.7
6
Senior Infants
51
57
54.8
6
1st Class
51
55
52.8
6
2nd Class
29
54
48.3
6
3rd Class
30
54
48.0
6
4th Class
27
54
43.0
6
5th Class
27
54
40.0
6
6th Class
27
54
36.5
6
Total
10
403
214.3
32
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).