True or False: It’s acceptable to let a parent board the bus to discuss a problem with you on the afternoon route.

The answer is indeed B, as it underscores the importance of maintaining a safe and secure environment for all students and drivers involved. Allowing parents to board the bus can disrupt the established safety protocols and can lead to confusion or potential safety risks for students.

School buses are designated spaces for students during transit; allowing unauthorized individuals to enter may create an environment that is not only distracting but could also unintentionally compromise the safety of the passengers. It's important to maintain a professional boundary and direct parents to discuss any issues at the school or at designated meeting points, rather than on the bus itself.

The other options suggest varying degrees of flexibility regarding parent interactions on the bus, but they ignore the established safety guidelines that govern how school transportation should be conducted. Even in emergencies or with principal approval, the best practice is to keep the bus a secure and focused environment for student transportation.