See "Testing After Extended School Breaks" section on page 6 of the CUSD COVID-19 Health and Safety Guidelines 2022-2023.
https://docs.google.com/document/d/1GoKZwMC2EN9jyyBf6gupJ12lD7pd2NaHapUeQVVGjOY/edit#heading=h.qozj0o9ey35i