According to investigators, the victim was involved in an argument before school with a 14-year-old girl. The girl returned to the campus with her 21-year-old brother, Edward Newman, police said.
Newman is accused of choking the 13-year-old until he blacked out and knocked him to the ground.
"I hope justice is done for my son," said the teen's mother, Reneshier Hall. "He has a long road to recovery. What happened should not have happened to my son or anyone."
Newman was charged with injury to a child and the 14-year-old girl was charged with assault.
Houston ISD released the following statement:
"A Yates High School student was assaulted before school began Monday morning. The campus police officer notified the victim's parents immediately after the incident was reported. The 21-year old suspect has been arrested and charged with felony injury to a child. A second suspect, who attends Yates, also faces criminal charges as well as disciplinary action according to the Student Code of Conduct in connection to the assault."