Please find attached requested information for Primary Schools for the years 2019-2021 inclusive, 2021-2022 being the most recent data available.
The figures are based on mainstream classes in mainstream schools and were collated from the relevant Class Size tables published on the DES website and can be found at the following link:
gov.ie - Class-size information at individual primary-school level (www.gov.ie)
Local Authority
|
Ave. Class Size 2019
|
Ave. Class Size 2020
|
Ave. Class Size 2021
|
Median 2019
|
Median 2020
|
Median 2021
|
Max 2019
|
Max 2020
|
Max 2021
|
Min 2019
|
Min 2020
|
Min 2021
|
Carlow County Council
|
25.0
|
23.8
|
23.9
|
26
|
25
|
24
|
34
|
34
|
34
|
7
|
7
|
8
|
Cavan County Council
|
23.3
|
22.7
|
22.0
|
23
|
23
|
22
|
36
|
35
|
35
|
7
|
2
|
4
|
Clare County Council
|
22.9
|
22.2
|
21.4
|
24
|
23
|
22
|
36
|
36
|
35
|
3
|
4
|
1
|
Cork City Council
|
22.3
|
21.6
|
21.4
|
23
|
23
|
22
|
34
|
34
|
34
|
7
|
1
|
4
|
Cork County Council
|
24.5
|
23.5
|
22.9
|
25
|
24
|
23
|
58
|
37
|
38
|
1
|
1
|
1
|
Donegal County Council
|
22.7
|
22.2
|
21.6
|
24
|
23
|
22
|
35
|
34
|
35
|
4
|
1
|
3
|
Dublin City Council
|
23.0
|
22.5
|
22.0
|
24
|
23
|
22
|
36
|
35
|
34
|
6
|
1
|
1
|
Dun Laoghaire Rathdown
|
25.6
|
24.8
|
24.3
|
27
|
26
|
25
|
33
|
36
|
35
|
7
|
1
|
1
|
Fingal County Council
|
25.8
|
25.5
|
24.9
|
27
|
26
|
26
|
34
|
34
|
34
|
13
|
1
|
9
|
Galway City Council
|
22.9
|
22.7
|
22.4
|
23
|
23
|
23
|
37
|
39
|
38
|
11
|
10
|
10
|
Galway County Council
|
23.1
|
22.2
|
21.7
|
24
|
23
|
22
|
37
|
38
|
36
|
3
|
1
|
2
|
Kerry County Council
|
23.2
|
22.0
|
21.4
|
24
|
23
|
22
|
38
|
38
|
35
|
4
|
1
|
1
|
Kildare County Council
|
25.3
|
24.7
|
24.3
|
26
|
25
|
25
|
35
|
35
|
35
|
6
|
1
|
7
|
Kilkenny County Council
|
24.6
|
23.3
|
22.9
|
25
|
24
|
24
|
36
|
36
|
36
|
7
|
1
|
1
|
Laois County Council
|
24.1
|
23.2
|
22.6
|
25
|
24
|
23
|
35
|
38
|
38
|
5
|
7
|
3
|
Leitrim County Council
|
23.8
|
22.3
|
21.6
|
25
|
23
|
23
|
36
|
34
|
34
|
6
|
5
|
2
|
Limerick City and County Council
|
23.9
|
23.1
|
22.7
|
24
|
24
|
23
|
37
|
38
|
38
|
6
|
2
|
1
|
Longford County Council
|
22.8
|
21.2
|
20.6
|
23
|
21
|
21
|
34
|
36
|
35
|
7
|
7
|
6
|
Louth County Council
|
24.7
|
24.2
|
23.5
|
25
|
25
|
24
|
37
|
37
|
37
|
10
|
8
|
6
|
Mayo County Council
|
22.0
|
20.9
|
21.0
|
23
|
22
|
22
|
36
|
36
|
37
|
1
|
1
|
2
|
Meath County Council
|
25.5
|
24.6
|
23.9
|
26
|
25
|
24
|
37
|
37
|
37
|
11
|
5
|
5
|
Monaghan County Council
|
24.3
|
23.3
|
23.2
|
25
|
23
|
24
|
35
|
37
|
39
|
7
|
1
|
6
|
Offaly County Council
|
23.7
|
22.8
|
22.0
|
24
|
23
|
22
|
36
|
34
|
37
|
6
|
2
|
1
|
Roscommon County Council
|
22.7
|
21.5
|
21.9
|
24
|
22
|
23
|
36
|
37
|
36
|
4
|
4
|
1
|
Sligo County Council
|
23.0
|
22.6
|
21.8
|
24
|
24
|
23
|
35
|
35
|
35
|
3
|
1
|
3
|
South Dublin County Council
|
24.5
|
24.1
|
23.7
|
25
|
25
|
24
|
35
|
35
|
35
|
11
|
1
|
5
|
Tipperary County Council
|
23.4
|
22.1
|
22.0
|
24
|
23
|
22
|
35
|
37
|
36
|
5
|
1
|
3
|
Waterford City and County Council
|
24.0
|
23.4
|
23.2
|
25
|
24
|
24
|
36
|
35
|
35
|
6
|
8
|
6
|
Westmeath County Council
|
24.4
|
23.3
|
23.2
|
25
|
24
|
24
|
45
|
39
|
36
|
3
|
3
|
1
|
Wexford County Council
|
24.5
|
22.9
|
22.2
|
25
|
24
|
23
|
36
|
36
|
37
|
6
|
2
|
1
|
Wicklow County Council
|
24.8
|
24.1
|
23.6
|
25
|
25
|
24
|
39
|
38
|
36
|
6
|
1
|
4
|