Police responded to Crossroads Middle School in Meridian around noon Monday. The girl accused in the stabbing was taken into custody without incident, police said.
The victim, also a girl, was treated at a hospital for non-life-threatening injuries and released, reports eastidahonews.com.
The suspect has been charged with aggravated battery and possessing a weapon on school property, police said.
An attorney representing the family of the victim says she is 11 years old and was “the victim of a vicious, unprovoked attack.”
Crossroads Middle is an alternative school in the West Ada (Idaho) district.