24 Pa. Stat. § 16-1602-A
The following words and phrases when used in this article shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Association." The Pennsylvania Interscholastic Athletic Association.
"Committee." The Legislative Budget and Finance Committee.
"Council." The Pennsylvania Athletic Oversight Council as established in section 1603-A.
"Interscholastic athletics." All athletic contests or competitions conducted between or among school entities situated in counties of the second class, second class A, third class, fourth class, fifth class, sixth class, seventh class and eighth class.
"Nonpublic school." A school, other than a public school within this Commonwealth, wherein a resident of this Commonwealth may legally fulfill the compulsory school attendance requirements of this act and Title VI of the Civil Rights Act of 1964 ( Public Law 88-352, 78 Stat. 241).
"School entity." A public school, school district, nonpublic school or private school in this Commonwealth other than a private or nonpublic school which elects not to become a member of the association.
24 P.S. § 16-1602-A