As used in this part:
(1) “Educational entity” means the state board of education, department of education, and any other body, board, or agency that governs a public or private elementary or secondary school, and includes, but is not limited to, local education agencies and local boards of education; and
(2) “Employee” means: An individual who is elected or appointed to an educational entity;
(3) An individual who is an employee of an educational entity or who provides student-related services to an educational entity on a contractual basis; or
(4) An authorized volunteer who provides student-related services to an educational entity.