Final answer:
Non-reservation boarding schools in the late 19th and early 20th centuries were aimed at assimilating Native American children into White society. Although students participated in sports activities, academic competitions, and cultural events, they did not participate in the reservation system.
Step-by-step explanation:
Non-reservation boarding schools were part of a government-led effort to assimilate Native American children into White society. These schools emphasized English language instruction, farming, and manual skills. Students participated in sports activities, academic competitions, and cultural events, but the one thing they did not participate in was the reservation system.