Multiple-Choice (Open and Semifinal Exam)
5 choices (A to E) with only one correct choice: Open Exam .
5 choices with one or more correct choice(s): Semifinal Exam.
Multiple True/False Questions (Semifinal & Theoretical)
The stem may take the form of a statement, question, case history, or research data that includes diagrams, images and graphs related to the question's text.
Distracters are designed:
Scoring: 4 correct responses = 1 point; 3 = .6, 2 = .2, and 1 or 0 = 0.
Non-Multiple-Choice (Semifinal)
M ay have a variety of formats, such as experimental design, statistical analysis, short answer, and essay.
Use i mages, such as diagrams, tables, graphs, or other illustrations.
What to know prior to the Practice Exam
Emails from the USABO are not sent to Students. Your Test Administrator has been asked to share any information from the USABO with you.
On my honor, I pledge myself to the integrity of the USABO.
Any violation of the Honor Code, or failure to report such violations, may result in yours, your proctor’s, and your school's disqualification from current and future participation in the USABO.
Open Exam and Semifinal Exam Honor Code Declarations
The Honor Code for each exam will be the first thing that you complete. You must verify the Honor Code at the start and end of the Open and Semifinal Exams.
1. Open Exam: Click here to view the 2027 USABO Open Exam Student Certification includes Honor Code and Exam Instructions.
2. Semifinal Exam: Click here for the 2027 USABO Semifinal Exam Honor Code and Exam instructions.
Click here for a guideline for taking the Open Exam. on the Synap Platform.
Follow the instructions
a. Have 10 (ten) sheets of paper without any marks.
b. Double check that your submissions are all properly labeled with your USABO ID and Question Number.
c. Scan the pages for each question and produce a single PDF file for each question. Compress the PDF to ensure the file is at most 8MB; larger files could cause technical issues. Please note you may use a scanner or a smartphone with a camera or another device with a camera.
d. The scanned PDF may be loaded onto the contest page or uploaded directly on the device used to scan the question or send the PDF to your computer (via AirDrop, Bluetooth, or another method) and upload the PDF file from your computer. Here are some recommended scanning applications:
Information Resources
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Virginia (5) Washington (3) Wisconsin (2)
" Steps to setting up your USABO Club ": Information piece on how to establis a USABO Club.
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