I am South Korean citizen. I have the U.S. Law School admission entering August 2019. I have to get F-1 visa. Before August 2019, I would like to enter the U.S. with ESTA visa. I know ESTA is maximum 90 days. I plan to 1) get ESTA visa, 2) return back to South Korea, and 3) get F-1 visa before August 2019. Is it possible?
Moreover, I have rejection of B-2 visa last January 2018. The reason was
You have not been able to demonstrate sufficiently strong ties to a country outside the U.S. that will compel you to return abroad after a temporary visit. Such ties...(abridged)
Does it make me impossible to get the ESTA?