Describing a special education program for 15 American Indian youth at Leupp Boarding School on the Navajo reservation, this article details program components designed for the trainable mentally handicapped. The four levels of the program are identified as: (1) preacademic (development of self-care, social, and physical motor skills); (2) academic (Navajo and English language development, survival sight words, and auditory skills); (3) prevocational (development of number concepts, money concepts, and simple word assignments in preparation for future vocational training); (4) vocational-sheltered workshop (presently in the planning stages for 1975-76 school year). Utilizing individualized language programs based on development of listening, speaking, reading, and writing skills, the language development program is described in terms of: the acquisition of language for second language learners; language disorders; and delayed language development. The program's motor development activities are described as involving gross motor development; body image and body awareness; and fine motor development. On-going parental involvement is cited as an intrinsic part of the program, and evaluation data indicating program successes are presented in terms of percent of objectives completed (90% self-care; 99% behavior; 99% motor; 92% social; 85% health and safety; and 81% readiness). (JC)