USABO Semifinal Prep

Anyone who participated in the USABO Open test is eligible to take Semifinal this year! Even if you didn't qualify as a semifinalist, this year you still can take the USABO semifinal test and earn honorable mention or become a finalist. It can also help you build confidence and prepare for the USABO next year.

Would you like to stand out at the USABO semifinal test on April 16 1PM (PT)/4PM (ET) ?

SpringLight's biology teacher Mrs. Webster, the #1 biology teacher in the Bay Area, will offer 12 USABO semifinal training lessons from 3/13 to 4/10.

Register @

You can take the lessons with the topics you are interested (Same time on Zoom and/or class video). We will record all of the classes. We offer students class videos and study material for each class they will attend.

Classes on Friday, 7-9PM (2 hours)

3/26 review of core respiration, photosynthesis, C4 CAM (based on only Campbell text)
4/2  review of core neuron function, nervous system, senses 
4/9  review of core techniques (Campbell Ch 20)

Classes on Saturday, 1-4PM (3 hours)

3/20 core and advanced plant signaling, reproduction; (if time, plant phylogeny)
3/27  Core and advanced digestion, excretion, metabolism, related hormones
4/3 Core and advanced endocrine system, immune system, circulatory system
4/10 Advanced techniques and technique related problems; other advanced topics (enzyme kinetics, advanced genetics problems) if time.

Classes on Saturday, 5-8PM (3 hours)

3/13  core and advanced plant structure, tissues, transport
3/20 2020 USABO semifinal (answering student questions)
3/27  2018 USABO semifinal (answering student questions)
4/3  2017 USABO semifinal (answering student questions)
4/10  2016 USABO semifinal (answering student questions)

Each 3 hours lesson: $125
Each 2 hours lesson: $85
All of the 12 lessons (total 33 hours): $1,300

Classes will be fully remote on Zoom. For those of you who are interested in a topic but unable to attend a class due to scheduling, registering will buy you the class recording and any materials for the day. There is no discount for those who only purchase recordings.

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