3.  Prohibition. A person may not engage in bullying on school grounds. This section does not modify or eliminate a school’s obligation to comply with state and federal constitutional protections and civil rights laws applicable to schools. […]

5.  Adoption of Policy. When revising the policies and procedures it has established to address bullying pursuant to section 1001, subsection 15, paragraph H, a school board shall ensure that its policies and procedures are consistent with the model policy developed or revised by the commissioner pursuant to section 254, subsection 11-A. The policies and procedures must include, but are not limited to:

• A.  A provision identifying the responsibility of students and others on school grounds to comply with the policies;

• B.  A clear statement that bullying, harassment and sexual harassment and retaliation for reporting incidents of such behavior are prohibited.