NCAA Clearinghouse needs to be completed as soon as possible following junior year, it must be updated as soon as possible after that. Do not wait.
Go to the camps of the schools you are most interested in.
You do not exist as a student/athlete until you have an ACT/SAT score.
HT/WT, Speed, Strength, ACT/SAT, Position, School/Coach, Film? These are the first several questions you will be asked.