STAR 3-to-3rd Multilingual Cognition: Navajo Language The STAR School 3-to-3rd (age 3 to grade 3) Project infuses both American Sign and Navajo Languages throughout the daily curriculum. This short film, part 2 in a 2 part series, looks at the use of Navajo Language within the program. This film was written and produced by Rachel Tso (tsoinspired.com) made for The STAR School as a part of a free training packet for educators. It is for non-commercial, educational purposes. You are welcome to freely share the above training film for non-commercial, educational purposes; appropriate attribution appreciated. This was made possible by a grant from The Rural School and Community Trust to the STAR School.