To some brave students who flagged down a deputy for help. Around 12 20 this afternoon at the 3600 block of southeast glenstone in grimes. Kids from Johnston Middle School were on their way home. Police say scarbrough got upset with that fifteen year old special needs student when he his assigned seat. The student allegedly said inflammatory comments back, was shoved floor. The bus caught it and they were able to flag down a deputy at the next stop. Students are stunned to see how aggressive the assault was. Oh wow. Thats terrifying. Thats earthshattering. Kattey tonight scarbrough is in polk county jail charged with assault causing injury and child endangerment. According to the school district. All bus drivers go through training to handle behavioral situations. In this incident they say he made a very poor choice. Scarbrough had only been with the district since the beginning of the school year. He passed a background check. As for the victim. He was treated and released at the scen