WASHINGTON, D.C.—In March, President Donald Trump proposed a $936.3 million Fiscal Year (FY) 2020 budget for the Department of the Interior’s Bureau of Indian Education (BIE).

The BIE’s primary mission is to provide quality education opportunities from early childhood through life in accordance with a tribe’s need for cultural and economic well-being, in keeping with the wide diversity of American Indian and Alaska Native tribes as distinct cultural and governmental entities.

For the first time in its history, the BIE’s budget request is being presented in a separate budget justif...