Eastside Montessori Education Foundation (EMEF) is a 501(c) (3) organization formed specifically to promote Montessori education in East King County. Its board is comprised of former and current Arbor Montessori Schools parents as well as interested members of the public at large. Each year EMEF sponsors an auction and triathlon raising funds to provide scholarships, capital improvements, teacher education and curriculum support for Arbor Montessori Schools.