 Also, Wajin linguists teach Ainu and train students to become Ainu instructor in university.In spite of these efforts, as of 2011 the Ainu language is not yet taught as a subject in any secondary school in Japan.Due to the Ainu Cultural Promotion Act of 1997, Ainu dictionaries transformed and became tools for improving communication and preserving records of the Ainu language in order to revitalize the language and promote the culture.