Haskell Indian Nations Univ is first with 100%.

Incidentally, both are land-grant institutions.

outdid Sitting Bull College (94.7%), Turtle Mountain Community College (94.4%), Oglala Lakota College (91.5%), and Navajo Technical College (89.5%), and others, ending with Amridge Univ (0%).

7 out of the other 3,121 colleges were ruled out due to missing, unknown, or not-applicable values for American Indians or Alaska Natives, e.g., Chamberlain College of Nursing-Georgia.

1. The percentage of ethnic groups or other types of students among all full-time students is calculated from the 12-month Unduplicated Head Count Data File, 2011-12 (Provisional release) as reported by the National Center for Education Statistics (http://nces.ed.gov/ipeds).
   

Dine College is in Tsaile, AZ, is public, tribal, open admission, degree-granting, a land-grant institution, more than 50% Black, Hispanic, Asian, American Indian, or Alaska Native, offers on-campus housing, has its top major in education, is on the semester system, its top Associates major is public health, other, and enrolls from 1,000 to 4,999 students.

• research spending ($700K)
• average full-time teaching salary ($51,679)
• average grant aid to undergrads ($3,268)
• endowment per full-time student ($2,587)
• cost of a shared room ($1,280)
• in-state undergrad tuition & fees ($805)
• out-of-state undergrad tuition & fees ($805)
• research spending per student ($235)
• undergrads who get financial aid (100%)
• undergrads who get Pell grants (99%)
• minorities (98.9%)
• American Indians or Alaska Natives (98.3%)
• full-time retention rate (83%)
• in-state freshmen (77%)
• undergrads who are 25 years or older (44%)
• average teaching salary differential (women vs. men, 3.4%)
• Hispanics (0.3%)
• Asians (0.2%)
• foreign students (0.1%)
• Blacks or African Americans (0.1%)
• non-resident tuition & fees surcharge (0%)
• tuition & fees increase over three years (0%)
• undergrads who receive student loans (0%)
• average teaching salary differential (men vs. women, -3.3%)
• alumni who played in the National Football League (0)
• average January temperature (29.6 degrees)
• dorm capacity (250)
• foreign students (3)
• full-time undergrads (1,151)
• members of the National Academy of Sciences (0)
• men's basketball Final Four appearances (0)
• Rhodes Scholar alumni (0)
• undergrads (1,970)
• yearly for-credit students (2,949)
• on-campus yearly property crimes per thousand students (1.24)
• students per faculty member (17)
• annual rainfall (7.9 inches)
• elevation (2,065 meters)

Sources