What are the travel and entry requirements for non-immigrant students to the U.S.?

All travelers to the U.S. are required to show proof of full COVID-19 vaccination (defined at least 14 days after a second dose of an accepted two-dose series or one dose of an accepted single-dose vaccine) and the negative COVID-19 test result taken no more than one (1) day before boarding their flight or provide documentation of having recovered from COVID-19.