The following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Public school" means all schools supported, in whole or in part, by taxation of any kind or character within the State of Oklahoma, and shall also include all schools which may be attended by the public offering educational instruction equivalent to that offered in public grade schools, public high schools, public preparatory schools, and colleges and universities having authority to award recognized degrees.
Okla. Admin. Code § 45:10-1-2