Lots of good advice from the college coach and others like johnny S&V who makes
a great point.
I wouldn't rule out jr college either for a guy like you who is improving so fast.
There should be some good tennis programs where you can get a couple more
yrs of training (nearly double), get some basic classes out of the way, then
transfer opportunities may be good.
You can likely still play some tourneys to get some good wins to show your
improvement and skill level.
My gut is that you should look for a great school less than D1, especially if
you don't want to do Jr college.
Really good looking vid for 3 yrs of training.
I liked Limpins technique points in his post, especially about shoulder turn and
Pro Supex Big Ace