FORT THOMAS, Ariz. — Sixteen kids bent over worksheets, laboriously writing out words in Ndee biyátiʹ — Apache — as their teacher recited them in English. "Scorpion," she said. Tsédag histasí.

From the San Carlos Apache Reservation to the silver screen, Apache language educator Aurelia Bullis is making a name for herself by teaching some of Hollywood’s newest stars. Most recently, she ...