The collision happened just before 8:30 a.m. at Commons Boulevard and Reads Way.
According to investigators, the driver of a white pickup truck crested a hill and struck the back of an SUV which was stopped at the intersection.
That impact caused the SUV to hit the school bus.
A total of 14 students, ages 5 - 10, were taken to a local hospital for treatment of minor injuries.
The school bus driver and the driver of the SUV were also taken to the hospital with minor injuries.
The 35-year-old driver of the pickup truck was cited for inattentive driving, police say.