Joint patronage of Bishop of Kilmore Elphin & Ardagh COI , the Moderator of the Presbyterian Church in Ireland and the President of the Methodist Church in Ireland
School type
Ordinary
School level
All-Through School
Planning area
Sligo
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
26.25
2025/26
Mainstream classes
8
2025/26
Largest class group
30
2025/26
Classes with 30+ pupils
1
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
197
7
28.14
38
2
2007/08
205
7
29.29
36
3
2008/09
195
8
24.38
31
2
2009/10
207
8
25.88
30
1
2010/11
197
8
24.62
34
1
2011/12
211
7
30.14
35
4
2012/13
213
8
26.62
31
2
2013/14
220
8
27.50
30
3
2014/15
226
8
28.25
33
1
2015/16
234
8
29.25
34
1
2016/17
230
8
28.75
34
3
2017/18
230
8
28.75
33
2
2019/20
222
8
27.75
32
3
2020/21
206
8
25.75
30
1
2021/22
200
8
25.00
30
1
2022/23
205
8
25.62
30
1
2023/24
208
8
26.00
30
1
2024/25
211
8
26.38
29
0
2025/26
210
8
26.25
30
1
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2005/06: 155 in 2004/05 → 188, +33 pupils.
Biggest loss in a single year: 2020/21: 222 in 2019/20 → 206, -16 pupils.
Largest single-class increase: Junior Infants in 2022/23 (19 → 26, +7).
Largest single-class decrease: Junior Infants in 2021/22 (25 → 19, -6).
Largest cohort-step gain: 1st → 2nd in 2024/25 (23 → 27, +4).
Largest cohort-step loss: 1st → 2nd in 2021/22 (25 → 22, -3).
Overall: 143 (1977/78) → 210 (2025/26), 67.
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
19
26
23.3
6
Senior Infants
21
25
23.5
6
1st Class
23
29
25.2
6
2nd Class
22
27
25.0
6
3rd Class
25
28
26.3
6
4th Class
23
28
26.8
6
5th Class
24
30
28.5
6
6th Class
25
30
28.0
6
Total
121
237
175.0
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).