Math Kangaroo USA is an exciting international math competition for students in grades K-12. It promotes problem-solving, logical reasoning, and a love for mathematics in a fun and engaging way. Don’t miss this wonderful opportunity— enroll your school today!

Access official Math Kangaroo answer keys one month after the competition here. Results are released by May 1 and available in your student registration account. Check your performance and celebrate your math success!

Success is the result of hard work, determination, and a passion for learning. Your outstanding performance in the Math Kangaroo competition has placed you among the top achievers at both the state and national levels. This recognition is a testament to your dedication and problem-solving skills.

Congratulations on this well-earned achievement! May this milestone inspire you to reach even greater heights in mathematics and beyond.

In 2025, Math Kangaroo USA welcomed an impressive 53,562 students from across the country, showcasing the growing national enthusiasm for mathematics and problem-solving. This year’s data reflects remarkable participation across all 50 states, U.S. territories, and 12 grade levels, with thousands of dedicated educators, parents, and school leaders supporting students’ academic growth.

Discover which grade levels had the most Math Kangaroo participants in 2025 and more.

Math Kangaroo Online Summer Camp 2025 – Fun & Interactive Math for Grades 1-8! Strengthen problem-solving skills with engaging lessons, expert instructors, and all-new Set C problems. Limited spots available—register now and save $50 with code LESS50 in April!

Our expert instructors lead Math Kangaroo online classes, webinars, and our upcoming Summer Online Math Camp, helping students in Grades 1–12 build strong problem-solving skills and a love for math.

• Grades 1–2: Diana Holan, Lucia Liu, Sumit Kohli
• Grades 3–4: Diana Holan, Yang Bao, Lucia Liu, Sumit Kohli, Ravikiran Karanjkar
• Grades 5–6: Samvel Sahakyan, Mahmut Secilmis, Dr. Ying Yang
• Grades 7–8: Dr. Van Koroleva, Mahmut Secilmis

Stay up to date with Math Kangaroo USA’s latest events, expert talks, and student engagement opportunities. Explore our Live Solve series, educational webinars, and press announcements.

Featured Events:

• Live Solve with Prof. Po-Shen Loh
  Interactive sessions where students in grades 3–8 solve math problems with expert guidance.
• “Purposeful Fluency” with Dan Finkel, PhD
  A talk on building deep math understanding through structured practice.