High Quality Content by WIKIPEDIA articles! The USA Biology Olympiad (USABO) is a national competition sponsored by the Center for Excellence in Education. Each year, twenty National Finalists gather at a nationally recognized institution for a two-week training camp. From the program`s inception through 2009, the camp was held at George Mason University; as of 2010, the camp is instead held at Purdue University. At the end of the two weeks, four people are selected to represent America at the International Biology Olympiad.