Science Olympiad is a nationwide organization dedicated to high quality STEM instruction via invitational, regional, state, and national competitions. Students compete in 23 challenging events that include earth science, biology, chemistry, physics, computers, and engineering. Science Olympiad is designed to increase students' interest in STEM fields, develop communication, team-building, and critical thinking skills, and provide recognition for outstanding STEM achievement. Washington Science Olympiad (WSO) was founded in 1996 and normally hosts 4-5 regional B and C division tournaments in 3 regions - Eastern, Northwest, and Southwest.

Official website

Welcome to Washington Science Olympiad

2021-22 WSO Registration begins 9/15/21. In the meantime, please go to to download event rules. As well, see the Washington Science Olympiad web site - particularly for registration information. The state board is still working on the 2021-22 schedule & hosting sites & will post info ASAP.
Once registration opens, coaches, follow prompts from registration dashboard. Note that at this time, students do NOT need to register as a participant. We will let coaches know when/how students should register on Scilympiad.
If any questions, please contact

Consider joining the WSO Board:
Nominations for election held at summer Annual Meeting accepted through April 30.

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