Humble ISD is investigating an assault on board a school bus that was caught on camera.
Blake Chilla, 12, said he and the girl seen in a cellphone video exchanged words in the moments before the video was shot.
Chilla said, "I don't even know what I called her, but I called her something and she kept on saying what did you say?'"
The sixth grader said the confrontation happened on board bus 630 on Thursday afternoon. His mom said he found out when Blake's older sister discovered the video had been posted on Facebook.
His mother, Tracy Chilla said, "I was shocked and my son loves to ride the bus. And to my knowledge had never had any issues on the bus and I was really surprised. I had no idea there was any issues."
The school district said it started investigating as soon as it heard about the allegation early Friday morning.
An Humble ISD spokesman said, "District administrators are investigating and all appropriate disciplinary consequences will be enforced. Inappropriate student behavior is not tolerated."