Officers with the Los Angeles School Police Department were called to the Miguel Contreras Learning Complex just before 1 p.m. about a report of an assault.
An L.A. school police sergeant told Eyewitness News two students were fighting when one of them stabbed the other.
The student was rushed to the hospital in an unknown condition. Investigators said he was stabbed in his shoulder and thigh.
The other student was taken into custody just after 3 p.m. after a brief lockdown of the campus.
Update Miguel Contreras Learning Complex: LA School Police Officers have taken one suspect into custody.— LA School Police (@LASchoolPolice) January 26, 2022
The school will remain on lockdown with a modified dismissal. #LASPD will remain on scene assisting school personnel.
The rest of the students were released during a modified dismissal.
According to investigators, the two students knew each other and called this "an isolated incident."
The incident remains under investigation.