Indiana Code Title 20. Education § 20-30-3-4

Sec. 4. (a) Each governing body shall procure a United States flag that is four (4) feet by six (6) feet for each school under the governing body's supervision.

(b) If weather conditions permit, each governing body shall require that the United States flag be displayed on every school under the governing body's control on every day the school is in session.  If the flag is not displayed outdoors for any reason, the flag must be displayed in the principal room or assembly hall.  Each governing body shall establish rules and regulations for the proper care, custody, and display of the flag.

(c) A person who violates subsection (b) commits a Class C infraction.