The inside rearview mirror of a school bus is used to: Question The inside rearview mirror of a school bus is used to: Answers Moniter passengers. See potential hazards on the road. See vehicles trying to switch lanes. See in front of the bus. Explanation On a school bus, the overhead inside rearview mirror is used to monitor passenger activity inside the bus. This questions appears in the following tests: Arkansas Bus Massachusetts Bus Mississippi Bus South Carolina Bus South Dakota Bus Utah Bus Utah Bus