Elementary
school teacher
Middle
school teacher
High
school teacher
0.0%
25.0%
50.0%
75.0%
100.0%
No additional precautions
40.7%
37.3%
17.3%
Weekly COVID-19 testing
33.4%
28.7%
11.4%
Masks required
14.8%
7.5%
1.7%
Stable student cohorts
4.2%
3.8%
1.9%
2-day schedules, staggered grades
1.7%
1.4%
0.5%
2-day schedules, half-size classes
1.1%
0.8%
0.5%