USABO 2021 Calendar

   September 2020

September 14

       Registration Opens

                               December 2020

December 4

December 11

        School Registration Closes

        USABO & Art of Problem Solving (AoPS) Student Registration Closes

January 2021

January 15

         Deadline for payment of Registration Fee ($95.00/school)   

January 19

         Open Practice Exam with Art of Problem Solving

February 2021

February 11

     Online Open Exam Administered by Art of Problem Solving

     4 PM (ET) Only

                                March 2021

March 2

April 16

April 30

         Online Semifinal Examination Administered at 4 PM (ET) Only

         Semi-Final Examination Scores Available in TRC & SRC

                               May 2021

May 5

May 14

        Finalists (Top 20 and ties) designated in TRC and SRC

        National Finalists Announced on the USABO website           

        National Finalists Finals Registration Completed

May 22 - June 5

        Virtual National Finals 

                               June to July 2021

May 22 - June 5

        Virtual National Finals 

June 2

        Announcement of Awards and USA Biolympiad Team members

June 4 to 5

        Instruction and Mentoring of USA Biolympiad Team 

July 18 to  25

        International Biology Olympiad in Lisbon, Portugal