Sec. 1.7. As used in this chapter, "student athlete" means any student who:
(1) attends a school;
(2) is in grade 5, 6, 7, 8, 9, 10, 11, or 12; and
(3) participates in any:
(A) interscholastic sport, including cheerleading; or
(B) intramural sport, including cheerleading, in which the head coach or assistant coach elects to comply or as part of the head coach's or assistant coach's coaching certification requirements is required to comply with this chapter.