Joint patronage between Bishop of Derry & Raphoe COI and the Presbytery of Derry & Donegal
School type
Ordinary with Special Classes
School level
All-Through School
Planning area
Letterkenny
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
23.22
2025/26
Mainstream classes
9
2025/26
Largest class group
29
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
235
8
29.38
33
4
2007/08
228
8
28.50
33
3
2008/09
233
8
29.12
33
5
2009/10
224
8
28.00
32
4
2010/11
214
8
26.75
30
3
2011/12
219
8
27.38
30
3
2012/13
214
8
26.75
31
2
2013/14
205
8
25.62
29
0
2014/15
209
8
26.12
30
1
2015/16
222
8
27.75
30
1
2016/17
212
8
26.50
30
2
2017/18
227
8
28.38
31
3
2019/20
236
9
26.22
31
4
2020/21
228
9
25.33
30
1
2021/22
232
9
25.78
30
1
2022/23
233
9
25.89
30
4
2023/24
226
9
25.11
30
2
2024/25
216
9
24.00
30
1
2025/26
209
9
23.22
29
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 189 in 2000/01 → 216, +27 pupils.
Biggest loss in a single year: 1993/94: 215 in 1982/83 → 187, -28 pupils.
Largest single-class increase: 3rd Class in 2021/22 (27 → 30, +3).
Largest single-class decrease: Junior Infants in 2023/24 (30 → 22, -8).
Largest cohort-step gain: SI → 1st in 2025/26 (22 → 25, +3).
Largest cohort-step loss: 5th → 6th in 2022/23 (29 → 26, -3).
Overall: 152 (1976/77) → 215 (2025/26), 63.
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
31
27.2
6
Senior Infants
22
30
26.5
6
1st Class
25
30
27.8
6
2nd Class
26
30
28.5
6
3rd Class
27
30
29.0
6
4th Class
27
30
28.8
6
5th Class
27
30
28.8
6
6th Class
26
29
28.3
6
Total
152
236
210.3
40
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).