General Guidelines for Schools 


COVID-19 Decision Tree

The last update to the COVID-19 decision tree (Spanish posted 10/12/21) was made on Oct. 7, 2021. If you are not seeing the most current version of the decision tree, please clear your internet cache, reload the page, and download the correct version. The decision tree will be updated as needed to reflect the latest public health guidance. Please check this page weekly to ensure you are using the latest version.

Updates to this version include:

Oct. 6, 2021 (Links refreshed on Oct. 7)

  • Page 2
    • Text at top in blue box: Added “is not” to “A person who is not fully vaccinated or is not within 90 days of a lab-confirmed diagnosis of COVID-19…”
    • 4th red box from the left: Changed “testing 2x weekly” to “testing 2x/week”
  • Page 3 under Antigen Tests (third bullet)
    • Added: At-home testing may only be used for school testing purposes as part of a state approved pilot, or National Institute of Health funded research project.
  • Page 4 FAQ No. 5
    • Removed: “requirements expressed in”

Oct. 5, 2021

  • A separate tree has been created for people who are asymptomatic and test positive for COVID-19. They were previously included in the Symptom and Isolation Tree.
  • Decision sequences now include the requirement that when a person with symptoms has a negative antigen finding, confirmation with a lab-processed molecular sample collected within 48 hours is needed.
  • Clarification that for modified quarantine, the first test sample must be collected within 24 hours of being notified that the student is a close contact.
  • Clarification that when an asymptomatic person tests positive, and develops symptoms later, they are required to isolate from the date they are notified of the positive sample until 10 days after the onset of their symptoms.
  • List of frequently asked questions

Previous Updates to COVID-19 Decision Tree


Guidance and Best Practices


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