Grades, extracurriculars, test scores, o my!
YOUR DATA, IN ORDER OF IMPORTANCE
GPA is the first thing schools look at.
The second, the strength of your schedule: how rigorous were the courses you took; how hard were you pushing.
Tests are usually the third thing schools look at.
In the view of the admissions office, grades and performance in high school are the best indicators of success for your first year of college because they demonstrate what kind of student you are.