Indiana Code Title 20. Education § 20-18-2-22

Sec. 22. (a) “Teacher” means a professional person whose position in a school corporation requires certain educational preparation and licensing and whose primary responsibility is the instruction of students.

(b) Except as provided in subsections (d) and (e), for purposes of IC 20-28, the term includes the following:

(c) For purposes of IC 20-43-16, the term means a professional person whose position with a:

requires a license (as defined in IC 20-28-1-7) and whose primary responsibility is the instruction of students in the classroom or virtual classroom.

(d) “Teacher” for purposes of IC 20-28-9-26 and IC 20-28-9-27, means a classroom teacher licensed under IC 20-28-5 who provides instruction to students for at least fifty percent (50%) of the teacher's work day.

(e) For purposes of IC 20-28-9-28, the term includes an adjunct teacher, school counselor, and permanent substitute teacher employed by a school corporation.