According to the Health & Human Service website, recognizing these signs early could help prevent your child from suffering certain problems as an adult like alcohol/drug abuse, dropping out of school, criminal convictions or being abusive to their spouses or children.
One of the signs your child might be a bully:
1. They're obsessed with social status or popularity - Davis Robert Faris (a Sociology professor at the University of California) researched 700 students at a Long Island high school and discovered that the desire to be popular was a huge factor in becoming a bully. According to the U.S. Department of Health & Humans Services website, if your child is overly competitive and worries to much about their rep or being popular, that may be cause for concern.