Academy of Thought and Industry Virtual School Assumption - St. Bridget School Bertschi School Bishop Blanchet High School Brightmont Academy - Redmond, WA Brightmont Academy - Sammamish, WA Brightmont Academy- Seattle, WA Christa McAuliffe Academy Dartmoor School Explorer West Middle School French American School of Puget Sound French Immersion School of Washington Gravitas Online Prep School: A Global Extension of The Stony Brook School Guidepost Montessori at Celebration Park Guidepost Montessori at Lynnwood Guidepost Montessori School at Kent Guidepost Montessori Virtual School Hamlin Robinson School Holy Family School Auburn Hope Lutheran School Kennedy Catholic High School - Burien King's Schools Laurel Academy Matheia School Montessori School of Chevy Chase Morningside Academy North Seattle French School Seattle Academy Seattle Christian School St. Brendan Parish School St. Matthew School - Seattle, WA Summit Classical Christian School The Bridge School Cooperative Elementary The Bush School The Meridian School The Northwest School Summer Camp The Perkins School The Polytech The Valley School Tilden School (West Seattle) Tiny Treks NW TruFluency Kids University Prep - Seattle Vancouver Outdoors Society Villa Academy Westside School - Seattle, WA