Greyhills Academy High School is a Native American boarding high school (grades 9–12) in Tuba City, Arizona on the Navajo Nation.

It is operated by the Western Navajo Agency,[3] a tribal agency working in affiliation with the Bureau of Indian Education (BIE), which funds the school.

[4] A radio station, KGHR 91.3 FM, is associated with the school.

The school has a dormitory and has boarding students.

[5] Eight Mile School District (Trenton, ND) was BIE/OIE-funded from 1987 to 2008 See also Template:Department of Defense Education Activity (U.S. military school system)