What types of students, faculty, and staff should I try and speak with while visiting a college?
Those who are in your primary area of study, assuming you have one. Stay out of the financial aid office, so you don't become a "marked" person. Frat or sorority folks if that's your interest, or maybe a coach or 2 if sports is important. You really need to have this all planned out in advance, and it all goes back to my favorite caveat: Plan your work, work your plan. Nobody plans to fail, but too many fail to plan. The admissions/financial aid process begins in the 9th or 10th grade, and I speak from 33 yrs of experience!