Harmony Hill School is a private nonprofit residential mental-health facility with an on-campus school in Chepachet, Rhode Island. The school says it has served Rhode Island, Massachusetts, and Connecticut since 1976.

Harmony Hill's residential treatment page describes specialized services for biological males ages 13 to 18 with social, emotional, behavioral, and learning challenges. The school operates year-round and provides residential, educational, vocational, recreational, and therapeutic programming (Harmony Hill School, residential treatment program).

Rhode Island Department of Children, Youth and Families congregate-care materials describe Harmony Hill's Intensive Stabilization, Assessment and Treatment programs for youth with complex or acute mental-health needs, including youth stepping down from or being diverted from psychiatric hospitalization (Rhode Island DCYF congregate-care materials).