What is this Article mainly about?

The Stronghold Society is a nonprofit organization that uses music, art, and skateboarding to inspire Lakota youth to rise above personal and societal challenges to create a brighter future.
Both the Pine Ridge Reservation and the San Carlos Apache Reservation have skateparks where kids can practice their ollies, nollies, and heelflips and kick back with their friends.
Skateboarding is a popular sport on many Native American reservations as it provides an outlet for creative expression and fosters key leadership skills like courage and perseverance.
Douglas Miles uses the Apache Agency Skate Shop to organize skateboarding competitions and demonstrations where young skateboarders travel around and give groms skateboarding tips.

This article is mainly about the work of the Stronghold Society, a nonprofit organization that uses music, art, and skateboarding to inspire Native American youth, specifically on the Pine Ridge Reservation and the San Carlos Apache Reservation. It discusses how skateboarding is popular on many Native American reservations as it provides a creative outlet and fosters important leadership skills. It also mentions how Douglas Miles organizes skateboarding events and competitions through the Apache Agency Skate Shop.