A Native American group has filed a … schools in Colorado from using Native American mascots and imagery is … depicts or refers to an American Indian tribe, individual, custom, or … or team name.” Schools with American Indian-themed mascots have until June …A Native American group has filed a … schools in Colorado from using Native American mascots and imagery is … depicts or refers to an American Indian tribe, individual, custom, or … or team name.” Schools with American Indian-themed mascots have until June …