Timing

Ideally...

GET THE INFO 

During the first year of high school.

 

RESEARCH

Your athletic scholarship during your second or third year and try for the TOEFL.

 

TRY 

To take the SAT/ACT during your third year (or your fourth year if you are in a 5-year highschool system).

 

DEPART 

Finish highschool with good grades and start living your dream in the USA.

 

If you can't follow exactly these steps, don't worry, you may still be able to win an athletic scholarship and become a student-athlete in an american college.