Educators, scholars, and community activists recognize that immersion education is a key means to restoring Indigenous and other heritage languages. But language maintenance and revitalization involve many complex issues, foremost may be the lack of local professional development opportunities for potential language teachers.

In Alaska, the Second Language Acquisition Teacher Education (SLATE) project was designed to enable Indigenous communities and schools to improve the quality of native-language and English-language instruction and assessment by focusing on the elimination of...