School buses, as they are, are not acceptably accessible for the general public.

Here's a fun fact: Most busses and trucks are designed to protect other drivers in the event of a collision from the rear, because otherwise the car would slide under the heavier raised vehicle and decapitate the driver. School busses, on the other hand, are designed to carry children, and the safety of other drivers is a much lower priority:

https://www.thedrive.com/news/school-bus-shrugs-off-high-spe...