User Login

USABO 2020 Calendar


   October 2019

September 23

       Registration Opens

                               January 2020

January 14

January 18

         School Registration Closes

         Student Registration Closes

January 22

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


    February 2020

February 4 to 14

         Open Exam Administered

February 15

         Last day for mailing Open Exams to CEE


March 2020

March 9



March 23 to 27

March 28

     Open Exam Scores Available in TRC and SRC

     Semifinalists (Top 10%) designated in TRC and SRC


     Semi-Final Examination Administered

     Last day for mailing Semifinal Exams to CEE


                                April 2020

April 24

        Semifinal Exam Scores Available in TRC and SRC

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

         National Finalists Announced on the USABO website                   



                               May 2020

May 15

        National Finalists Finals Registration Completed



                               June to July 2020

Dates TBD

        National Finals (TBD) 


        Announcement of Awards and USA BiolympiadTeam  members


        Instruction and Mentoring of USA BiolympiadTeam 

July 3 to  11

        International Biology Olympiad in Sasebo City, Japan