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What is USABO?

The USA Biology Olympiad (USABO) is the most prestigious high school biology competition in the United States. It is organized by the Center for Excellence in Education (CEE). Strong performance in USABO is highly valued by top U.S. universities, especially for students applying to biology, medicine, neuroscience, and bioengineering programs.

USABO 2027 Exam Dates

Based on historical schedules, the USABO 2027 China preliminary exam is expected to take place in early April 2027. Registration typically opens from December 2026 to March 2027. The first round is a 50-minute, 50-question multiple-choice test. Please confirm exact dates with the official ASDAN or CEE announcements.

How to Register for USABO 2027

Students in China usually register through ASDAN China or an authorized test center. Hanhai International Education is an experienced biology competition training center in Shenzhen and can guide registered students through the USABO registration process.

USABO Exam Format

The first round consists of 50 multiple-choice questions covering cell biology, genetics, ecology, animal physiology, plant physiology, evolution, and biodiversity. The questions require both breadth and depth of knowledge, going significantly beyond AP Biology.

How to Prepare for USABO

We recommend starting 6–10 months before the exam. Use Campbell Biology as the core textbook, build a complete knowledge framework, and practice with past papers under timed conditions. Hanhai's biology competition program offers module-based training and full-length mock exams.

FAQs

What is the difference between USABO and BBO?

USABO is fast-paced with 50 questions in 50 minutes, testing speed and breadth. BBO is 90 minutes with longer, more analytical questions and more diagrams. Many students prepare for both together.

Does USABO help with college admissions?

Yes. USABO Gold and Silver awards are strong evidence of academic ability for U.S. universities, particularly for STEM and pre-med applicants.

Does Hanhai offer USABO training?

Yes. Hanhai International Education provides USABO and BBO courses, covering all core topics with real-question practice and mock exams.

For the latest USABO 2027 registration dates or to book a trial class, contact Hanhai International Education.