(4) Each school district shall adopt and review at least every 3 years a policy prohibiting bullying and harassment of a student or employee of a public K-12 educational institution. Each school district’s policy shall be in substantial conformity with the Department of Education’s model policy. The school district bullying and harassment policy shall afford all students the same protection regardless of their status under the law. The school district may establish separate discrimination policies that include categories of students. The school district shall involve students, parents, teachers, administrators, school staff, school volunteers, community representatives, and local law enforcement agencies in the process of adopting and reviewing the policy. The school district policy must be implemented by each school principal in a manner that is ongoing throughout the school year and integrated with the school’s curriculum, bullying prevention and intervention program, discipline policies, and other violence prevention efforts. The school district policy must contain, at a minimum, the following components: (d) The consequences for a student or employee of a public K-12 educational institution who commits an act of bullying or harassment.