The incident transpired after the driver rerouted because of traffic, documents said.
NEW HAMPSHIRE BUS DRIVER ACCUSED OF ASSAULTING DISABLED STUDENTS
The driver told the student to "sit down little boy," and the student replied, "Call me little boy again."
An Indianapolis-area school bus driver has been charged with felony strangulation and misdemeanor battery following an altercation with a middle schooler.
When she called the student "boy" again, he hit a button to exit the bus.
During an ensuing struggle, the driver grabbed the student by the throat, documents said.
DRUNK SCHOOL BUS DRIVER WITH 50 KIDS ON BOARD TELLS COPS HE 'HAD A LOT ON HIS MIND': REPORT
Officers found bruises and welts around the boy's throat but no marks on the driver, documents said.
It wasn't clear how old the boy is.
Carman Malone, an attorney representing the driver, declined to comment on the case.
A phone message weeking comment was left for a spokeswoman for the school district.