A School bus (also called Schoolbus ) in North America is a type of bus specifically designed, manufactured and used for student transport: carrying students to and from school, home, and school events. School buses provide an estimated 10 billion student trips every year. Each school day in 2013, nearly 468,000 school buses transported 28.8 million children to and from school and school-related activities; over half of the United States K–12 student population is transported by school bus.