Mark Siegel is assistant head at Delphian School in Sheridan, Ore., where he’s been since 1974. He has headed the Oregon Federation of Independent Schools since 1988 and served 25 years on the board of the Council for American Private Education. He's served on Oregon Department of Education task forces and helps public and private schools transition to proficiency-based student-centered models. He travels the country advocating for private education and for proficiency-based education, urging the shift from factory-model schools to more personalized, student-centered programs.
