Athletics ( High School / University )   Athlete Application & Admission

How do I contact coaches from different colleges if I aim a being recruited for their team? When should I contact them? (5)
How can a coach help with chances of being admitted to an Ivy league? (2)
How do student-athletes manage their classes if their trainings interfere? (2)
Is it worth contacting coaches before applying to a college? (2)
What is it like to row for Yale? (2)
What is a walk-on? (2)
What are the best sports to play to get into U.S. universities? (2)
Do athletes compete directly with scholars for college admission? (4)