Participation in school sports.

Requires, for purposes of interscholastic athletic events, school corporations, public schools, nonpublic schools, and certain athletic associations to expressly designate an athletic team or sport as one of the following: (1) A male, men's, or boys' team or sport. (2) A female, women's, or girls' team or sport. (3) A coeducational or mixed team or sport. Prohibits a male, based on the student's biological sex at birth in accordance with the student's genetics and reproductive biology, from participating on an athletic team or sport designated as being a female, women's, or girls' athletic team or sport. Requires school corporations, public schools, certain nonpublic schools, and certain athletic associations to: (1) establish and maintain grievance procedures; or (2) maintain grievance or protest procedures established before July 1, 2022; for a violation of these provisions. Establishes a civil action for a violation of these provisions. Provides that school corporations, public schools, certain nonpublic schools, and certain athletic associations are not subject to liability in a civil, administrative, disciplinary, or criminal action for acting in compliance with these provisions.