Or you can go to BYU, where 6’7” Sara Hamson does both. BYU has (had? after a recent loss) the #1 VB team in the country. I believe Hamson is injured this season so out in both sports, but volleyball and basketball is not an easy duo. Volleyball playoffs have not even started and basketball is well in to the non-conference schedule. Not sure how she would balance the two. Would be tough!
Also a 6-4 Post from Utah was ranked #70 in 2016, but she chose volleyball over basketball at BYU.