House committee substitute to the 2nd edition makes the following changes.

Adds the following requirements regarding the exclusive authority granted to the governing board of any public school unit or any nonpublic school to determine the use of face coverings, and any appropriate exceptions to those requirements, during the instructional day on its respective campus for the 2021-22 school year. Requires a local board to vote on a policy requiring mandatory face coverings for employees and students during the instructional day that will apply in the first instructional month of the school year by August 1, 2021. Requires the local board to vote at least monthly on whether such a policy adopted during the school year should be repealed or modified, regardless of whether the policy applies to the first instructional month or later, for as long as the policy remains in effect.