As used in this chapter, the term "student" means the following:

(1) Any student who is under the supervision, direction, or control of the education practitioner.

(2) Any student enrolled in any school or school district served by the education practitioner.

(3) Any student enrolled in any school or school district while attending a school related activity at which the education practitioner is performing professional duties.

(4) Any former student who is under eighteen years of age and who has been under the supervision, direction, or control of the education practitioner. Former student, for the purpose of this section, includes but is not limited to drop outs, graduates, and students who transfer to other districts or schools.