In addition to Belcourt, it serves Green Acres, St. John, and almost all of Shell Valley.
The district is affiliated with the Bureau of Indian Education (BIE) and has an agreement where the two entities jointly administer the Turtle Mountain Community School (TMCS).
The current high school facility opened in January 2008 after having been built in the latter part of the previous year.
[3] In 1962 the school held its physical education classes in a multipurpose room, or if not available, in other spaces.
The Daily Plainsman of Huron, South Dakota wrote "The Belcourt School [...] illustrates how a good physical fitness program can be carried on with a minimum of facilities.