Our Competitions

We run two annual competitions analogous to the USABO Open and Semifinal exams. Testing info for the 2025 season will be released later this year.

Rules & Information

Open to high school students globally, our exams will take place online. They will be available to take all day. Explore the complete guidelines in our official rules document!

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Competition Rounds

Our two-round system is designed to challenge and prepare students for national-level biology competitions.

\(p+q=1\)

This is the first round of our competition, mirroring the difficulty of the USABO Open exam. The test consists of 50 multiple-choice questions to be completed in 50 minutes, with 5 choices per question.

\((p+q)^2=1\)

This second round corresponds to the USABO Semifinals exam. The test consists of 100 questions in 120 minutes, featuring 65 multiple-choice and 35 multiple-true/false questions.