Maintaining an Healthy School Environment
Updated: Jul 22
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As some communities in the United States open K-12 schools, CDC offers the following considerations for ways in which schools can help protect students, teachers, administrators, and staff and slow the spread of COVID-19. Schools can determine, in collaboration with state and local health officials to the extent possible, whether and how to implement these considerations while adjusting to meet the unique needs and circumstances of the local community. Implementation should be guided by what is feasible, practical, acceptable, and tailored to the needs of each community.
The more people a student or staff member interacts with, and the longer that interaction, the higher the risk of COVID-19 spread. The risk of COVID-19 spread increases in school settings as follows:
Lowest Risk: Students and teachers engage in virtual-only classes, activities, and events. More Risk: Small, in-person classes, activities, and events. Groups of students stay together and with the same teacher throughout/across school days and groups do not mix. Students remain at least 6 feet apart and do not share objects (e.g., hybrid virtual and in-person class structures, or staggered/rotated scheduling to accommodate smaller class sizes).
Highest Risk: Full-sized, in-person classes, activities, and events. Students are not spaced apart, share classroom materials or supplies, and mix between classes and activities.
COVID-19 is mostly spread by respiratory droplets released when people talk, cough, or sneeze. It is thought that the virus may spread to hands from a contaminated surface and then to the nose or mouth, causing infection. Therefore, personal prevention practices (such as hand washing, staying home when sick) and environmental cleaning and disinfection are important principles that are covered in this document. Fortunately, there are a number of actions school administrators can take to help lower the risk of COVID-19 exposure and spread during school sessions and activities.
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