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Currently planned invitational/A-B-C Division tournaments for 2017-18:

~SW Region A Tournament - 11/11/17 (Clark College, Vancouver, WA). Elementary division tournament. Registered teams may participate in the 9/30/17 Coaches Clinic.

~SW Region B Invitational Tournament - 12/9/2017 (Camas HS, Camas, WA). Registration information.

~SW Region C Invitational Tournament - 2/3/2018 (Camas HS, Camas, WA). Registration Information.

~NW Region B Invitational Tournament - 1/20/2018 (Northshore JHS, Bothell, WA). Registration Form:

~NW Region B Invitational Tournament - 2/10/2018 (Chinook MS, SeaTac, WA). Registration Form.

~~NW Region C Invitational Tournament - 12/2/2017 - Raisbeck Aviation HS (Tukwila, WA).

NW Region C Invitational Tournament - 1/13/2018 (Curtis HS, University Place, WA). Registration Form.


If any Washington school or organization wishes to sponsor an invitational tournament, please contact your regional board or the State Director well in advance of your planned event to obtain approval and to get on the WSO schedule.


Eastern Region (Spokane Community College) - 3/10/2018

Northwest Region (Seattle Central College) - 3/3/2018

Northwest Region (University of Washington) - 2/24/2018 [Note: Now both B & C Divisions]

South Central Region - B Division ONLY (Yakima Valley College) - 2/10/2018 (Tournament Web Site)

Southwest Region (Lower Columbia College) - 3/3/2018.

UNIFIED SCHEDULE - 2018 Final Schedule. All regional and state tournaments in Washington adhere to unified schedule ... unless tournament director provides alternate schedule to registered teams by January 16.

Be sure to use FINAL schedule in preparing for tournaments.


Eastern Washington University - April 14, 2018


Colorado State University (Fort Collins, CO) - May 18-19, 2018


Event supervisors are an integral part of all Science Olympiad tournaments. Washington Science Olympiad event supervisors may find event information at the following sites:

National Science Olympiad - Be sure to check event FAQs and Rules Clarifications on the national site before preparing your event.

Washington Science Olympiad maintains an Event Supervisor Guide - a web site for providing event supervisors with general preparation and event-specific information.

Tournament Directors may also have access to scoresheets and a test bank for events that can either assist in developing tests or can be used in emergency situations. Contact your Tournament Director for available event scoresheets and tests.