They drive too fast through the neighborhoods. Many bus drivers are teachers, too. The parents run transportation, and teachers are automatically guilty. In some cases, a teacher is automatically written up. Bus drivers are terminated, or reassigned routes if a parent complains.
Buses run consistently and are well maintained.
There are not enough bus drivers or buses. It is a high-risk job with low pay and few benefits. Buses and drivers haven't kept pace with district growth. The district has a bus rodeo, which is a competition to see how well bus drivers operate their buses. Maybe only 12 percent participate.