Olympiad · In person

USA Biology Olympiad 2027 Open Exam — US hosts

Center for Excellence in Education · United States

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Take the 50-minute biology qualifying exam at a registered US school or authorized test center.

Cost: $125 USD; Paid
Duration: 1 day
Grade: Grades 9–12; Not published
Format: In person; United States

Deadline

Nov 22, 2026

37 days left

Cost: $125 USD
Program dates: Feb 3, 2027 – Feb 3, 2027
Format: In person
Who registers: Teacher, Student

Apply on organizer site

What you’ll need

Grade 9–12; senior not formally enrolled in an undergraduate program
Confirmed approved US host registered and paid for 2027; homeschool host agreed in advance
Host fee by October 23; school registration by November 15, both 23:59 ET
Student self-registration with own email and new annual ID by November 22, 23:59 ET
Synap access and internet device; licensed teacher physically proctors, never a parent
Student and administrator identity/Honor Code certificates required
Any citizenship may enter Open; top-10% score and US citizenship/green card required for semifinal

Last verified Oct 15, 2026

Overview

CEE runs the USA Biology Olympiad. Its Open Exam is an individual online multiple-choice biology exam, taken in person under a licensed host teacher’s supervision at the registered school or authorized test center. There is no penalty for guessing. The Open Exam gives Honorable Mention certificates to the top 20% and Merit certificates to the top 30%. This listing covers initial Open Exam entry at US hosts. Progression to the semifinal requires both a qualifying score in the top 10% and US citizenship or lawful permanent residence; later national and international stages have additional selection and participation conditions.

Official website

Subject

ScienceBiologyUSABOSchool proctor

Overview

Subject

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