As used in this part, unless the context otherwise requires:

(1) “Establishment clause” means the portion of the first amendment to the United States constitution that forbids laws respecting an establishment of religion;
(2) “Free exercise clause” means the portion of the first amendment to the United States constitution that forbids laws prohibiting the free exercise of religion;
(3) “Free speech clause” means the portion of the first amendment to the United States constitution that forbids laws abridging the freedom of speech;
(4) “Public school” means any school that:

(A) Is operated by the state, a political subdivision of the state or governmental agency within the state; and
(B) Receives state financial assistance; and
(5) “School employee” means an individual employed on a full-time or part-time basis by a public school.