Final answer:
Evacuation procedures for a school bus should be practiced at the beginning of the school year and then once a semester to ensure student safety.
Step-by-step explanation:
When you drive a regular school bus, it's important to coordinate with the school administration to ensure that evacuation procedures are practiced regularly for the safety of the students. These procedures should be practiced at the beginning of the school year and then once a semester. This helps in keeping the students prepared and aware of the steps to take in case an emergency situation arises that requires the evacuation of the bus.