Kids were prescribed medications at their Native American school. Their parents had no idea.

… reservation boarding schools for Native American students.
Former staff … has been educating Native American students since the … became the first Native American cabinet secretary and … federal system for educating Native American children. 
That history …… reservation boarding schools for Native American students.
Former staff … has been educating Native American students since the … became the first Native American cabinet secretary and … federal system for educating Native American children. 
That history …