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
18.00
2025/26
Mainstream classes
11
2025/26
Largest class group
23
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
246
13
18.92
21
0
2007/08
260
14
18.57
21
0
2008/09
266
15
17.73
20
0
2009/10
271
13
20.85
26
0
2010/11
276
13
21.23
25
0
2011/12
282
12
23.50
27
0
2012/13
298
12
24.83
28
0
2013/14
284
13
21.85
26
0
2014/15
284
12
23.67
27
0
2015/16
272
12
22.67
27
0
2016/17
276
12
23.00
25
0
2017/18
280
12
23.33
25
0
2019/20
261
12
21.75
24
0
2020/21
256
11
23.27
29
0
2021/22
255
11
23.18
29
0
2022/23
268
12
22.33
25
0
2023/24
247
12
20.58
24
0
2024/25
225
11
20.45
24
0
2025/26
198
11
18.00
23
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 380 in 1983/84 → 674, +294 pupils.
Biggest loss in a single year: 1999/00: 442 in 1998/99 → 386, -56 pupils.
Largest single-class increase: 6th Class in 2022/23 (57 → 71, +14).
Largest single-class decrease: 4th Class in 2023/24 (72 → 56, -16).
Largest cohort-step gain: 4th → 5th in 2022/23 (63 → 69, +6).
Largest cohort-step loss: 3rd → 4th in 2021/22 (67 → 63, -4).
Overall: 276 (1982/83) → 207 (2025/26), -69.
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
0
0
0.0
1
Senior Infants
0
0
0.0
1
1st Class
0
0
0.0
1
2nd Class
0
0
0.0
1
3rd Class
43
67
56.3
6
4th Class
43
72
59.2
6
5th Class
53
70
62.8
6
6th Class
57
72
65.5
6
Total
207
674
328.0
35
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).