. >> reporter: 12-year-old parker brockman is the boy battling the beating in the back of this crowded bus. he admits to throwing punches, too, but claims the well thing started with a pair of bully brothers who have since been suspended for the fight. >> making me mad, just won't stop. >> made me sad because i was always picked on as a kid. >> reporter: bus fights aren't common in this district but statewide, fights in general happen more than 15,000 times at public schools during the 2010 and 11 school year. a 2011 state department of education survey showed among high school students 28% admitted to income one physical fight during the previous 12 months and 7% reported not going to school at all because they feared for their safety. >> for students, kids in particular. talk to an adult. >> reporter: she said the district takes bullying very seriously but can do little to fix it if they don't know about the problem. >> if you know that your child is being bullied at all, let the school know immediately. >> reporter: parker's mom said other parents came forward after the incident to