Sagebrush Elementary is a non-profit organization. We are registered as a 501(c)(3) with the United States Government and as a non-profit in the State of Washington. A Board of Directors, who give their services without remuneration, supervises the School. While the Board is responsible for the business and financial affairs of the school, the day to day operation of the school is under the direction of the Lead Teacher and Administrative Coordinator.  In addition, we rely upon regular and consistent support from Parent Volunteers to ensure all of the school’s needs are met. Sagebrush Elementary is recognized as an approved private school by the State of Washington’s Board of Education and as attained association status with Association Montessori International/USA. The 2014/15 school year marks our second year in operation.

Board of Directors

Mr. Mark Young-McMurchie Board Chair
Mr. Charlie Bennett Trustee
Ms. Susan Ayres Trustee
Mr. Jonathan Davis Trustee
Mr. Matt Kincaid Trustee
Mr. Andrew Thomé Trustee
Mr. Evan Arntzen Trustee
Mr. David Bergland Advisor
Ms. Terri Allen Advisor
Ms. Karin Hines Advisor

Officers, Administrative Staff

Ms. Jen Sandvig Administrative Coordinator
Mr. Charlie Bennett Treasurer
Mr. Andrew Thomé Secretary
Mr. Andrew Thomé Fundraising Chair
Ms. Sherry Lee Bookkeeper, Accountant


Mr. Mark Young-McMurchie

Board Chair and President, Sagebrush Elementary School

Mark was a founding board advisor and served as the fundraising committee chair and emcee for the “Raise a Glass” fundraising dinner event at Bookwalter Winery for the first three years.

MarkMark is a cost estimator with Synergistics Inc., a contractor supporting the Department of Energy.
Previously, Mark was an English Instructor at Marble Hill High School for International Studies in the Bronx, New York. He’s a New York City Teaching Fellow and holds a Certificate of Aesthetic Education from the Lincoln Center for the Performing Arts. Mark also served as Special Assistant to the President of the Bonner Foundation in Princeton, NJ and has two Bachelors degrees from Eastern Washington University, a Masters of Education in Adult Development from Azusa Pacific University and a Masters of Science in Secondary English Education from City University of New York (CUNY).

Mark is married to Jill Young-McMurchie and their oldest son Rowan is attending Sagebrush Elementary.


Equal Opportunities; Statement of  Non-Discrimination

Sagebrush Elementary School complies with all State and Federal rules and regulations and does not discriminate on the basis of race, color, national origin, sex, age, disability, sexual orientation, gender, identity or military status. This holds true for all Sagebrush Elementary School employment and educational programs.