Science Olympiad

Science Olympiad 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.

The Colorado Science Olympiad web site provides information to coaches, students, administrators, and the public on the Science Olympiad regional and state competitions, registration, and more. Please click on a link on the overhead banner for more information. Helpful How-To Videos can be found under Coaches>How-To.

Colorado Science Olympiad will be replaying the 2020 events (with revisions) for the 2021 competition year. The National Science Olympiad rationale can be read HERE.


Upcoming Dates

  • December 15, 2020: COSO early bird registration CLOSES on
  • February 1, 2021: COSO final registration CLOSES on
  • February 20, 2021: Colorado Southern Regional Tournament @ CSU-P (Pueblo, CO)
  • TBD 2021: Colorado Northern Regional Tournament @ Fossil Ridge High School (Ft. Collins, CO)
  • TBD 2021: Colorado State Tournament @TBD
  • May 21-22, 2021: National Tournament @ Arizona State University (Tempe, AZ)


  • The 2021 competition year will be replaying the 2020 events (with revisions) per National Science Olympiad mandate. Please read the rationale and changes to the rules HERE

  • 2020 Regional Results are up!

  • Help support COSO with your AmazonSmile purchase. Shop like you normally would, and 0.5% of your eligible purchases helps to keep the program afloat.


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