What to do if student is undecided about area of study?

“If you want concrete suggestions for her for college then perhaps post her GPA and test scores and whatever else you are comfortable with posting here and we can make some suggestions for schools you might visit with her that she might get into, might be affordable.”

SAT - 1510, subject SATs: Calculus BC - 770, Bio E - 770, Chem - 740. Not sure about GPA. She is a Silver Honor Roll Student, has few B+. Six AP classes: in three she got 5 and other three she got 4. She has been on FBLA team, NJ LSC program, Varsity track team.