I almost didn't. We were required to have three lab sciences to graduate. My third and final class, physics, was during my senior year. I struggled in the class the entire year and ended up only passing by one point. One point away from having to do summer school, possibly having to defer college, and not getting to walk with my classmates at graduation.
And I'm not stupid. I was a good student in general. But physics was
hard. (And it probably didn't help that I flat-out refused to do one of the projects, royally pissing my teacher off in the process.)