A 12-year-old autistic student from Missouri was violently beaten on a school bus by some of his fellow students in heartbreaking video that his parents say is part of a pattern of severe bullying the school district has ignored. Matthew Jordan Jr. was sitting quietly on a Fort Osage school bus in Independence, when a group of students began to touch his hair and agitate him last Thursday — before a larger, violent assault ensued, FOX4 reported.  The brutal attack — caught on disturbing video footage — saw a gang of young students punching, hitting and grabbing the boy.  Matthew Jordan Jr., 12, was violently punched, hit and grabbed on a Fort Osage school bus in Missouri last week.…