A Renaissance School of Arts and Sciences Academy of Thought and Industry Virtual School Agia Sophia Academy Bridges Middle School Cathedral School Cedarwood Waldorf School Christa McAuliffe Academy Classical Ballet Academy Columbia Christian School Gravitas Online Prep School: A Global Extension of The Stony Brook School Guidepost Montessori Virtual School Maitripa Tara School - Montessori Preschool Micha-el School Montessori School of Beaverton Montessori School of Chevy Chase Olive Branch School Montessori Oregon Episcopal School Park Academy Portland Adventist Elementary School Portland Christian Schools - Jr/Sr High School Campus Portland Forest School of the Pacific Northwest Portland Waldorf School St. Rose School - Portland, OR Swallowtail Waldorf School and Farm The International School Portland The Portland Montessori School TruFluency Kids Tualatin Valley Academy Tucker Maxon School Vancouver Outdoors Society