For American Indians - Educational attainment (1) To resort data: click column headings. To download data: click here. Reservation Name Bachelor or graduate degree Rank Bachelor or graduate degree Some college High school graduates No high school diploma Source: 1990: U.S. Bureau of the Census, American Indian and Alaska Native Areas, (http://www.census.gov/prod/www/decennial.html#y1990popcp2); 2000: U.S. Bureau of the Census, Census of Population and Housing, (http://factfinder2.census.gov); 2006-2020: U.S. Bureau of the Census, American Community Survey, (https://data.census.gov/cedsci/advanced);