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
24.00
2025/26
Mainstream classes
12
2025/26
Largest class group
27
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
336
12
28.00
30
1
2007/08
336
12
28.00
30
2
2008/09
328
12
27.33
29
0
2009/10
331
12
27.58
28
0
2010/11
328
12
27.33
28
0
2011/12
333
12
27.75
28
0
2012/13
329
12
27.42
28
0
2013/14
327
12
27.25
28
0
2014/15
336
12
28.00
28
0
2015/16
336
12
28.00
28
0
2016/17
334
12
27.83
28
0
2017/18
333
12
27.75
28
0
2019/20
334
12
27.83
28
0
2020/21
333
12
27.75
28
0
2021/22
333
12
27.75
28
0
2022/23
328
12
27.33
28
0
2023/24
317
12
26.42
28
0
2024/25
304
12
25.33
27
0
2025/26
288
12
24.00
27
0
Data highlights
Key numbers to spot outliers or notable changes.
Biggest gain in a single year: 2001/02: 317 in 2000/01 → 347, +30 pupils.
Biggest loss in a single year: 1993/94: 492 in 1982/83 → 318, -174 pupils.
Largest single-class increase: Junior Infants in 2021/22 (82 → 84, +2).
Largest single-class decrease: Junior Infants in 2025/26 (72 → 65, -7).
Largest cohort-step gain: SI → 1st in 2025/26 (74 → 77, +3).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (83 → 0, -83).
Overall: 633 (1974/75) → 294 (2025/26), -339.
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
65
84
76.5
6
Senior Infants
74
84
79.3
6
1st Class
77
84
80.8
6
2nd Class
78
83
81.5
6
3rd Class
0
0
0.0
1
4th Class
0
0
0.0
1
5th Class
0
0
0.0
1
6th Class
0
0
0.0
1
Total
294
634
380.3
42
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).