Why do most school buses not have seat belts?

(NEXSTAR) — Students have returned to school, and back onboard those bright yellow buses with their rows and rows of high-backed seats.While they cart around your children, school buses frequently lack a safety feature that, if you were caught not wearing one, would result in a ticket: seat belts.There are cases in which a bus will have a few seats with lap belts or the over-the-shoulder option, but there’s a good chance the bus your children take to school, sporting events, and fiel