Elementary school

Middle school

High school

Case

2

3

4

5

6

1

2

3

1

2

3

Urban

1170

0.4

0.8

1.6

6.2

7.8

26.7

36.7

18.2

1.4

0.1

0

Rural

265

0

2.0

8.4

17.7

10.8

14.5

28.9

14.9

2.8

0

0

Total

1435

0.4

1.0

2.9

8.3

8.3

24.4

35.3

17.6

1.6

0.1

0