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middle schools, K-8 schools) may also have students who are not yet eligible for COVID-19
vaccination. These variations require K-12 administrators to make decisions about the use of COVID-
19 prevention strategies in their schools to protect people who are not fully vaccinated.”
If school administrators, in consultation with local public health officials, decide to remove any of
the recommended rather than required prevention strategies for their school based on local
conditions, they should remove them one at a time and monitor closely (with adequate testing
through the school and/or community) for any increases in COVID-19 cases. Required prevention
strategies may not be removed at any time. (Review IDPH answers to FAQs on COVID-19 testing in
schools for more information.) Schools should communicate their strategies and any changes in
plans to teachers, to staff, to families, and directly to older students, using accessible materials and
communication channels, in a language and at a literacy level that teachers, staff, students, and
families understand.
Here are educational examples to assist schools in determining how to use prevention strategies to
protect students and staff, as informed by local public health conditions:
● A school in a community with substantial (50-99 new cases per 100,000 population in the
last seven days) or high transmission (≥100 new cases per 100,000 population in the last
seven days), with low teacher, staff, or student vaccination coverage (e.g., <30% of eligible
population is fully vaccinated), and with a screening testing program in place may need to
lessen physical distancing to ensure all students can access in-person learning.
● A school in a community with substantial or high transmission, with a low teacher, staff, or
student vaccination rate, and without a student screening testing program, should continue
to maximize physical distancing and, in communities with high transmission, discontinue
sports that involve sustained close contacts with others, unless all participants are fully
vaccinated.
● A school in a community with moderate transmission (10-49 new cases per 100,000
population in the last seven days), with moderate vaccination coverage (e.g., 40-60% of
eligible population is fully vaccinated), and with a screening testing program in place could
decide to suspend screening testing for the general student body but will continue screening
for unvaccinated staff and students involved in higher-risk extracurricular activities until
vaccine coverage increases or transmission decreases or both.
● A school in a community with low transmission (<10 new cases per 100,000 population in
the last seven days) and a high vaccination rate (e.g., ≥70% of eligible population is fully
vaccinated) could consider no longer requiring physical distancing or suspending screening
testing for students.
The considerations listed above are intended to serve as examples of how school administrators
may use information about local public health conditions to inform decision-making. They are not
intended to serve as a definitive state-recommended framework to determine how to adjust
mitigation strategies.
73. How can schools determine what level of transmission is occurring in their community?
Schools can review data from the CDC or IDPH to find recent information on the number of new
COVID-19 cases per 100,000 population in the previous week. CDC defines community transmission
as low, moderate, substantial, or high as follows: