According to the Los Angeles Police Department, the person arrested is a minor. No further details were released.
The incident happened last month at Reseda Charter High School. Khimberly Zavaleta's family says she was hit in the head with a water bottle, then later suffered a brain injury. She then died at a hospital.
READ ALSO | Mother of 12-year-old details school fight in Reseda that left daughter dead
The family has since filed a claim against the Los Angeles Unified School District.
READ MORE | Family files legal claim against LAUSD after girl's death
Family files legal claim against LAUSD after girl's death