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
23.33
2025/26
Mainstream classes
9
2025/26
Largest class group
28
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
9
27.33
31
2
2007/08
272
10
27.20
30
1
2008/09
273
10
27.30
29
0
2009/10
282
11
25.64
29
0
2010/11
278
11
25.27
28
0
2011/12
286
11
26.00
29
0
2012/13
291
11
26.45
30
1
2013/14
286
11
26.00
29
0
2014/15
294
11
26.73
32
2
2015/16
291
11
26.45
32
2
2016/17
266
11
24.18
29
0
2017/18
258
10
25.80
32
2
2019/20
260
10
26.00
30
1
2020/21
251
10
25.10
30
1
2021/22
239
10
23.90
30
1
2022/23
246
10
24.60
29
0
2023/24
225
10
22.50
25
0
2024/25
219
9
24.33
29
0
2025/26
210
9
23.33
28
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 1993/94: 279 in 1983/84 → 324, +45 pupils.
Biggest loss in a single year: 1978/79: 379 in 1977/78 → 289, -90 pupils.
Largest single-class increase: 1st Class in 2022/23 (39 → 47, +8).
Largest single-class decrease: Senior Infants in 2025/26 (39 → 29, -10).
Largest cohort-step gain: JI → SI in 2022/23 (43 → 48, +5).
Largest cohort-step loss: 1st → 2nd in 2023/24 (47 → 24, -23).
Overall: 417 (1974/75) → 222 (2025/26), -195.
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
29
44
36.5
6
Senior Infants
29
48
40.7
6
1st Class
36
47
41.5
6
2nd Class
21
26
22.8
6
3rd Class
21
27
23.2
6
4th Class
22
27
23.8
6
5th Class
21
26
24.0
6
6th Class
23
30
26.2
6
Total
222
434
285.7
43
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).