Provo Canyon School

Utah cites multiple noncompliance issues against Provo Canyon School's Springville campus, and says all services must end by Aug. 6. The school has 15 days to request a hearing.

Hilton returned to the Utah boarding school where she said she was abused as a teenager. It's the latest stop in her years-long campaign calling for reforms to what is commonly known as the troubled teen industry.

The power of speaking out — and of celebrity. Paris Hilton goes public with allegations against Provo Canyon School. And she sparks a movement. Others share their stories. And a lawmaker hears them.Read more: Utah increased oversight of its troubled-teen industry. Has it worked?

Some 20,000 kids have been sent away to Utah teen treatment programs since 2015.