Which COVID test plan keeps schools safest? study tests two strategies.

NCT ID NCT04875520

First seen Feb 18, 2026 · Last updated Apr 30, 2026 · Updated 12 times

Summary

This study looked at the best way to test for COVID-19 in K-12 schools serving underserved communities in St. Louis. Researchers compared two strategies: testing only people with symptoms versus weekly testing of everyone plus symptom testing. Over 1,300 students and staff took part to see which approach reduced COVID-19 cases more effectively.

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Contacts and locations

Locations

  • Ferguson-Florissant School District

    Hazelwood, Missouri, 63042, United States

  • Jennings School District

    Jennings, Missouri, 63136, United States

  • Normandy Schools Collaborative

    St Louis, Missouri, 63121, United States

  • Pattonville School District

    Saint Ann, Missouri, 63074, United States

  • The School District of University City

    University City, Missouri, 63130, United States

Conditions

Explore the condition pages connected to this study.