You prepare by working hard and getting good marks in grades 1-12. Do that any you'll have no trouble getting acceptable scores on your SAT or ACT.
When I applied to college, my mother had just died a year before and my father was distant and pretty uninvolved unless it involved what I was going to cook him for dinner. I figured out how to take the college boards and how to apply to colleges on my own without the aid of a counselor or even a computer and e-mail ( 1989) She is just looking for ways to get more young people indebted to the government.
Also she lies ( what else is new) All high school students are not “equally talented”. Total BS.