HB1583 updates existing definitions of bullying to include aggressive behaviors and requires districts to have an anti-bullying policy in place: http://www.house.mo.gov/billtracking/bills161/billpdf/truly/HB1583T.PDF

Missouri Revised Statutes, Chapter 160 (160.775) – http://www.moga.mo.gov/mostatutes/stathtml/16000007751.HTML – “‘Bullying’ means intimidation or harassment that causes a reasonable student to fear for his or her physical safety or property. Bullying may consist of physical actions, including gestures, or oral, cyberbullying, electronic, or written com­munication, and any threat of retaliation for reporting of such acts.”

S.B. 818; http://www.senate.mo.gov/08info/pdf-bill/tat/SB818.pdf; “Currently, harassment is a Class A misdemeanor. Under this act, it is a Class A misdemeanor unless 1) committed by a person twenty-one years of age or older against a person seventeen years of age or younger; or 2) the person has previously committed the crime of harassment. In such cases, harassment is a class D felony.”  http://www.senate.mo.gov/08info/BTS_Web/Bill.aspx?SessionType=R&BillID=147