AMC 10/12: The American Mathematics Competitions offer two levels, AMC 10 and AMC 12, which consist of challenging multiple-choice questions.
AIME:The American Invitational Mathematics Examination is a follow-up to the AMC 10/12 and requires students to solve more complex problems without calculators.
USAMO/USAJMO:The United States of America Mathematical Olympiad (USAMO) and USA Junior Mathematical Olympiad (USAJMO) are prestigious proof-based competitions for top math enthusiasts.
Mandelbrot Competition:This is a team-based competition with challenging questions that focus on problem-solving skills and creative thinking.
Purple Comet Math Meet:A free, online team competition that covers a range of mathematical topics and problem-solving strategies.
Math Olympiad for Girls: This competition encourages and empowers young women to pursue mathematics and problem-solving.
MathCounts: A nationwide competition that aims to foster mathematical talent in middle school students, but it's often embraced by high schoolers as well.
Harvard-MIT Mathematics Tournament (HMMT):A challenging student-run competition with a mix of problem-solving styles.
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