Science Olympiad (SO) is nationwide competition. Students compete in 23 events that include earth science, biology, chemistry, physics, and engineering. Science Olympiad is designed to increase a student’s interest in STEM fields and provide recognition for outstanding achievement in team events. Students compete in Science Olympiad with the top teams advancing from Regional to State to National levels.
Eligible counties: San Diego and Imperial.
Division A - Grades 3-6
Date: Saturday, Feb. 6, 2027
Location: San Diego Miramar College
Registration opens 9/8/2026 closes 12/15/2026
Registration fees per team: $270 per team. Check discount box of $75 on payment page.
No limit on number of teams per school
2027 Div A Rules Here
2027 Preliminary Schedule of Events Each school will be assigned to either Group A, B or C. Follow one of the groupings for the purpose of event conflict blocks.
Check out News and Updates for up-to-date info: News and Updates
No pets allowed during the tournament or at the Awards Ceremony. Service animals are welcome.
Division B - Grades 6-9
Date: Saturday, Feb. 6, 2027
Location: San Diego Miramar College
Registration open 9/8/2026 closes 12/15/2026
Registration fees per team: $345 per team
(San Diego $195 + State $75 + National $75)
Limit on number of teams per school: 8 teams per school
SoCal State and San Diego Regional follow: National Tournament Conflict Blocks
Check out News and Updates for up-to-date info: News and Updates
No pets allowed during the tournament or at the Awards Ceremony. Service animals are welcome.
Division C - Grades 9-12
Date: Saturday, March 20, 2027
Location: University of San Diego
San Diego Regional USD Campus Info
Registration opens 9/8/2026 closes 12/15/2026
Registration fees per team: $345 per team
(San Diego $195 + State $75 + National $75)
Limit on number of teams per school: 8 teams per school
SoCal State and San Diego Regional follow: National Tournament Conflict Blocks
Check out News and Updates for up-to date info: News and Updates
No pets allowed during the tournament or at the Awards Ceremony. Service animals are welcome.
Rules Updates/Clarifications
Rules Updates are made to correct the rules in the Science Olympiad Rules Manuals or to clarify the meaning of the rules.
San Diego Regional follows the Southern California State Rules Updates posted at SoCal State Rules Clarifications for Divisions ABC
Submit your questions and subscribe to Rules Updates at the above-mentioned link.
Divisions AB Rules Updates cutoff: 2/1/27 11:59 PM
Division C Rules Updates cutoff: 3/15/27 11:59 PM
Invitational Tournaments
Invitational Tournaments are great resources for team preparations and tryouts. Results at Invitational Tournaments do not impact regional or state advancement or rankings.
Local Invitationals:
SoCal Invitational 1/17/26
Oak Valley Invitational 1/9/27
Triton Invitational (UCSD) Div B 1/30/27 and Div C 2/20/27
Cal Invitationals posted: here
Nationwide posted: here
Invitational Tournaments on Scilympiad platform posted: here
School-Provided Volunteer Requirements
Division A schools are required to provide one volunteer (adult or college student) per team for the entire shift. Division A Volunteers, sign up HERE
Division B schools are required to provide one volunteer (adult or college student) per team, except schools sending at least 5 teams. Schools sending at least 5 teams are required to provide 8 proctors. Division B Volunteers, sign up HERE
Division C schools are required to provide one volunteer (adult or college student) per team, except schools sending at least 5 teams. Schools sending at least 5 teams are required to provide 6 proctors. Division C Volunteers, sign up HERE
Sponsors/Partners: 