What's Next for a Student in Mathematics?

In high school, i almost never sat in a full mouthed class or even listened to what was going on. I had a math context book, under my desk, on my lap. And the teacher just did not bother m to examine me at that time, cause i was just going to contest and mathlympias. She even asked me to grade some of the final exams, but not for my particular classmates, but for the classmates wot in the next room. So while my classmates were taking an exam, i would be grading the exams for another class. This practice actually is happening im here in us. With because there are quite a few advanced students who literally have nothing to