Joint patronage between the Kirk Session of Clontarf and the Scots Presbyterian Church
School type
Ordinary
School level
All-Through School
Planning area
Killester_Raheny_Clontarf
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
22.25
2025/26
Mainstream classes
4
2025/26
Largest class group
24
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
90
4
22.50
24
0
2007/08
94
4
23.50
26
0
2008/09
96
4
24.00
25
0
2009/10
96
4
24.00
25
0
2010/11
93
4
23.25
26
0
2011/12
96
4
24.00
24
0
2012/13
99
4
24.75
26
0
2013/14
98
4
24.50
26
0
2014/15
96
4
24.00
26
0
2015/16
98
4
24.50
25
0
2016/17
95
4
23.75
25
0
2017/18
97
4
24.25
28
0
2019/20
98
4
24.50
27
0
2020/21
102
4
25.50
28
0
2021/22
94
4
23.50
28
0
2022/23
92
4
23.00
26
0
2023/24
92
4
23.00
24
0
2024/25
93
4
23.25
25
0
2025/26
89
4
22.25
24
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1975/76: 112 in 1974/75 → 127, +15 pupils.
Biggest loss in a single year: 1993/94: 124 in 1982/83 → 108, -16 pupils.
Largest single-class increase: 3rd Class in 2022/23 (8 → 13, +5).
Largest single-class decrease: 3rd Class in 2021/22 (13 → 8, -5).
Largest cohort-step gain: 4th → 5th in 2023/24 (8 → 10, +2).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (11 → 8, -3).
Overall: 112 (1974/75) → 89 (2025/26), -23.
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
11
15
12.2
6
Senior Infants
10
14
11.8
6
1st Class
10
13
11.7
6
2nd Class
10
13
11.5
6
3rd Class
8
13
11.0
6
4th Class
8
15
11.2
6
5th Class
9
15
11.8
6
6th Class
10
15
12.5
6
Total
89
132
102.6
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).