Delphi Schools

Delphi Schools, Inc. operates private schools that use the study methods known as Study Technology that was developed by Lafayette Ronald Hubbard. The office of Delphi Schools, Inc. is located on the property of the founding school, The Delphian School, in Yamhill County, Oregon, near Sheridan.

School campuses
The Delphian School is located at 20950 SW Rock Creek Rd., Sheridan, Oregon, and was opened in 1976. It is a boarding and day school. The Delphian School is an accredited member of the Northwest Association of Independent Schools. Delphi Academy of Florida is a K–12 day school located at 1831 Drew St, Clearwater, Florida.

In California, Delphi Academy of Los Angeles was opened in 1980; Delphi Academy of Sacramento was operated from 1980–2004; and Delphi Academy of Santa Monica operated from 2007–2014.

Delphi Academy of Boston operates in Milton, Massachusetts.

Heron Books
Delphi's publishing arm operates under the assumed business name of Heron Books, whose offices are located on the Delphian School campus. It was incorporated in 1973 as the Delphi Foundation and changed to the present name in 1987. Delphi Schools says that its schools teach using "The Delphi Program". The Study Technology teaching method is licensed through Applied Scholastics. Several Delphi schools use the Heron Basics Program of Heron Books for instruction.