Fire crews responded just after 7 a.m. for a reported school bus rollover at 2437 E. 1251st Road and found a bus on its side when they arrived.
It was transporting children from Deer Park Grade School.
There were four occupants on the bus, including the driver and three students.
RELATED: I-65 crash involving Greyhound bus, SUV leaves 2 dead, multiple injured in White County, Indiana
All were taken to St. Elizabeth Medical Center in Ottawa with minor injuries.
Fire crews from Grand Ridge, Oglesby and Ottawa helped Utica on the scene.
It was not immediately clear what caused the bus to roll over.