At one stop alone, the survey found, 10 cars illegally passed a stopped bus.
Two students have been hit this year. Though neither died, one was in intensive care for two weeks, said. Benjamin Shew, executive director of transportation for the education department.
"These incidents occur way too often,'' he said. "... Our goal is really a zero-tolerance of any illegal passing.''
In 2010, West Virginia legislators passed Haven's Law, named for 6-year-old Haven McCarthy, who was killed in 2007 after getting off a school bus in Lincoln County.
Drivers who fail to stop for a bus and cause an injury can now face up to three years in prison. Conviction for a death can mean 10 years in prison.
Even a driver who fails to stop but doesn't cause an injury can be charged with a misdemeanor and face up to six months in jail.