A substitute teacher in Texas faces a felony charge of aggravated assault after the authorities said she repeatedly punched a student, threw her to the ground and stomped on her — an attack that was caught on video.

The teacher, Tiffani Shadell Lankford, was arrested on Friday, the same day as the episode at Lehman High School in Kyle, Texas, south of Austin, school and law enforcement officials said.

The female student, 15, was taken to a hospital for evaluation, the Hays County Sheriff’s Office said. The student was sent home later from the hospital, a school district spokesman said.