Eash scholarship will have it's own requirements. Generally however you will need to include you CIB (Certificate of Indian Blood) with any materials. Contact your Tribal Enrollment office or regional office of the BIA for more details. Scholarships for Native American students would be from private sources. Those sources would specify the requirements regarding major, high school GPA, relationship to a specific tribe, or other specifics. The federal government provides education grants and scholarships for eligible U.S. citizens without regarding to race, creed, gender, ethnicity, etc. It is likely that scholarships intended for Native Americans would be offered by various tribal councils and related organizations.