As a parent or teacher of an aggressive child it may be difficult, but there are always steps to take or ways to prevent this aggression from occurring. For children, outgrowing their aggressive ways can be difficult, especially when provoked, but positive, consistent and nurturing discipline could possibly be a way to help.
Ways to prevent a child from becoming aggressive
place the child in a setting that offers support for learning positive social behavior, rather than aggressive, hostile, and antisocial acts
create positive role models
eliminate aggressive triggers.