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
22.10
2025/26
Mainstream classes
10
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
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
282
11
25.64
30
3
2007/08
281
10
28.10
32
4
2008/09
282
10
28.20
34
3
2009/10
275
10
27.50
33
3
2010/11
258
10
25.80
31
1
2011/12
268
10
26.80
34
4
2012/13
258
10
25.80
32
4
2013/14
271
10
27.10
31
4
2014/15
276
10
27.60
31
3
2015/16
280
10
28.00
32
3
2016/17
285
10
28.50
34
5
2017/18
293
11
26.64
32
2
2019/20
266
11
24.18
33
4
2020/21
259
10
25.90
34
3
2021/22
241
10
24.10
34
4
2022/23
229
10
22.90
32
2
2023/24
247
9
27.44
32
4
2024/25
243
10
24.30
31
4
2025/26
221
10
22.10
32
2
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1997/98: 244 in 1996/97 → 263, +19 pupils.
Biggest loss in a single year: 2019/20: 292 in 2018/19 → 266, -26 pupils.
Largest single-class increase: Junior Infants in 2023/24 (17 → 31, +14).
Largest single-class decrease: 6th Class in 2021/22 (46 → 31, -15).
Largest cohort-step gain: JI → SI in 2023/24 (17 → 26, +9).
Largest cohort-step loss: 3rd → 4th in 2021/22 (32 → 28, -4).
Overall: 254 (1983/84) → 221 (2025/26), -33.
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
17
32
25.7
6
Senior Infants
21
32
28.0
6
1st Class
22
32
28.5
6
2nd Class
20
34
28.8
6
3rd Class
23
35
30.3
6
4th Class
23
35
30.3
6
5th Class
29
41
32.5
6
6th Class
30
46
35.8
6
Total
221
294
262.2
34
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).