In these of unleaded fuel, you may use spark plugs until the electrode erodes away. Every-so-often, check the center electrode for a sharp edge. As slowly rounds off, file it sharp.
Admissions officers look first at test scores, the rigor of the courses you take, and your grades in those courses. After that, they are interested in a student's extracurricular activities -- in other words, how you spend your time outside of classes.
AP Tests and Ivy League Admission. In highly selective college admissions -- including in Ivy League admissions -- excelling in AP courses is par for the course. We recommend to all of our students to take the most rigorous curriculum one's high school allows and to excel in that curriculum.