The accident happened around 8:15 a.m. on Wrangle Hill Road near Sunnyside Lane.
A total of 45 children from the Kathleen Wilbur Elementary School were on their way to school when a vehicle struck the rear of the bus.
A School District spokesperson told Action News that fourteen children and the bus driver suffered minor injuries.
All of the children and the bus driver were treated and released from the hospital.
The uninjured students walked with the police to the school building.
The accident is being investigated by Delaware State Police.