International applicants must submit their high school transcripts and proof of English proficiency, such as a TOEFL or IELTS score, to Washington University in St. Louis in order to be considered for undergraduate admission to the Olin Business School. They must also submit their SAT or ACT results. Candidates must demonstrate that their high school degree is equivalent to a high school diploma earned in the United States; this may entail a formal assessment conducted by an entity that is a member of NACES.