Open Registration for the 2026 USABO Season!
We are an officially authorized USABO testing center.
Students from non-partner schools or international regions can scan the QR code to receive the registration form for free ⇓
Registration Methods
1. China Region
Eligibility: High school students of any grade
Option 1: Self-Registration via ASDAN Mini Program
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If your school is an ASDAN partner testing center, students can register themselves through the ASDAN mini program.
Option 2: Registration via Partner Institutions
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If your school is not an ASDAN partner, students can register through a reliable partner institution.
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We provide professional registration services for this purpose.
2. International Region
Eligibility:
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High school graduates who have not yet officially registered for undergraduate courses at any college or university.
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All interested students in Grades 9–12 may participate.
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Students must be U.S. citizens or legal permanent residents (green card holders).
Steps for New Schools – Principals, Teachers, and Administrators
Step 1: School Registration
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If your school has never participated before, register your school first to add it to the list of participating schools.
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After registration, you will be redirected to the Test Administrator Portal to register yourself as a test administrator.
Step 2: Payment Instructions
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After registration, a $95 registration fee per school must be paid.
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Your account will not be activated until payment is received.
Returning Schools – Teachers and Administrators Only
Step 1: Registration
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If your school has participated in previous years, or if you are a new exam administrator at a previously participating school, you need to update your registration ID.
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Note: Registration must be updated annually to obtain the current ID#. Previous IDs expire every year.
Step 2: Payment Instructions
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After registration, the $95 registration fee per school must be paid.
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Your account will not be activated until payment is received.
Student Registration
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Students may register only after their school’s registration for 2025 has been confirmed.
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Do not register for USABO before your school is confirmed.
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Each student must complete registration after their school has registered.
For more information or questions about USABO registration, scan the QR code to consult online ⇓


