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Currently planned invitational/A-B-C Division tournaments for 2018-19:

~SW Region A Tournament - 11/17/18 (Clark College, Vancouver, WA). Elementary division tournament. Registered teams may participate in the 9/29/18 Coaches Clinic.

~SW Region B Invitational Tournament - 12/1/18 (Camas HS, Camas, WA). Registration Information.

~SW Region C Invitational Tournament - 2/2/19 (Camas HS, Camas, WA). Registration Information.

~NW Region B Invitational Tournament - 1/19/19 (Northshore MS, Bothell, WA).

~NW Region B Invitational Tournament - 2/9/19 (Chinook MS, SeaTac, WA).

~~NW Region C Invitational Tournament - 12/8/18 - Raisbeck Aviation HS (Tukwila, WA).

NW Region C Invitational Tournament - 1/12/19 (Curtis HS, University Place, WA).


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 Falls Community College) - 3/9/2019

Northwest Region - B Division ONLY (Bothell High School) - 3/16/2019

Northwest Region - C Division ONLY (University of Washington) - 3/9/2019

South Central Region - B Division ONLY (Yakima Valley College) - 1/26/2019

Southwest Region (Clark College) - 3/2/2019

WSO Unified Schedule

FINAL SCHEDULE - Check with Tournament Director after 1/16/19 for changes to WSO Unified Schedule.

All invitational, regional and state tournaments in Washington adhere to unified schedule ... unless tournament director provides alternate schedule to registered teams by 1/16/19.

Be sure to use FINAL schedule in preparing for tournaments.


Highline College - 4/13/2019


Cornell University (Ithaca, NY) - May 31-June 1, 2019


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.