Bullying: California Bullying Prevention Clearinghouse.

Existing law defines "bullying" as any severe or pervasive physical or verbal act or conduct, including communications made in writing or by means of an electronic act, as defined, and including one or more acts of sexual harassment, threats, or intimidation, directed against school district personnel or pupils, committed by a pupil or a group of pupils, that would cause a reasonable pupil, as defined, to be in fear of harm to his or her person or property, to experience a substantially detrimental effect on his or her physical or mental health, to experience substantial interference with his or her academic performance, or to experience substantial interference with his or her ability to…