Board of Governors of the Church of Ireland College of Education
School type
Ordinary
School level
All-Through School
Planning area
Dublin6_Clonskeagh
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
23.62
2025/26
Mainstream classes
8
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
214
8
26.75
30
1
2007/08
211
8
26.38
29
0
2008/09
212
8
26.50
28
0
2009/10
216
8
27.00
28
0
2010/11
213
8
26.62
28
0
2011/12
215
8
26.88
28
0
2012/13
220
8
27.50
32
1
2013/14
221
8
27.62
32
1
2014/15
220
8
27.50
29
0
2015/16
217
8
27.12
28
0
2016/17
215
8
26.88
28
0
2017/18
215
8
26.88
28
0
2019/20
206
8
25.75
28
0
2020/21
208
8
26.00
27
0
2021/22
201
8
25.12
26
0
2022/23
200
8
25.00
27
0
2023/24
193
8
24.12
26
0
2024/25
191
8
23.88
27
0
2025/26
189
8
23.62
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 205 in 1974/75 → 253, +48 pupils.
Biggest loss in a single year: 1993/94: 280 in 1982/83 → 262, -18 pupils.
Largest single-class increase: 2nd Class in 2022/23 (24 → 27, +3).
Largest single-class decrease: Junior Infants in 2025/26 (27 → 22, -5).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (23 → 25, +2).
Largest cohort-step loss: 5th → 6th in 2023/24 (27 → 22, -5).
Overall: 205 (1974/75) → 189 (2025/26), -16.
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
22
27
24.7
6
Senior Infants
23
27
24.7
6
1st Class
23
26
24.2
6
2nd Class
22
27
24.5
6
3rd Class
23
26
25.0
6
4th Class
23
26
25.0
6
5th Class
22
27
25.0
6
6th Class
22
27
24.0
6
Total
189
282
230.1
42
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).