I saw a new-ish school bus the other day. In South Carolina, the state taxpayers buy and maintain the buses for the local school districts. The new buses are flush-front (like a city bus), yellow with black letters and accent stripes. And it has strobes and LED lights to make sure you stop when lights are flashing.
The part I like best are the mirrors. Instead of the long flat rear-view mirrors on a tube frame, the mirrors are mounted in a black molded plastic extention that drops down at the end to hold the long mirror and round convex wide-angle mirror. The whole thing has an appearance like bee antennae. The buses are like big yellow and black, wingless bees.