Washington University in St. Louis (Olin) is ranked No. 26 out of 124 in Best Business Schools and No. 23 (tie) out of 269 in Part-time MBA. Schools were assessed on their performance across a set ...

WashU's Olin Business School has a test-optional policy for its Flex MBA: Submission of test scores is not required but is recommended for most candidates. Letters of recommendation are not needed.