United States of America Junior Mathematical Olympiad

The USA Junior Mathematical Olympiad (USAJMO) is an exam used after the American Invitational Mathematics Examination to determine the top math students in America in grades 10 and under. It is possible for students to qualify for the Red level of the Mathematical Olympiad Summer Program.

It is also referred to as the Junior USAMO. It was created in 2010.

Region: USA
Type: Proof
Difficulty: 6-7
Difficulty Breakdown:

Problem 1/4: 6
Problem 2/5: 6.5
Problem 3/6: 7


Participation in the USAJMO is by invitation only. The test is administered to approximately the top 250 student combined scorers on the AMC 10 and AIME. The USAJMO problems consist of 6 detailed solutions to short-answer problems. The topics include the standard high school curriculum up to 10th Grade, but in much, much greater detail.


The test consists of 6 problems, administered over two days, like the USAMO. Each problem is worth 7 points. The students are given 4.5 hours each day to complete 3 problems. There is often a problem overlap TOTO SLOT with the USAMO. The top scorers on the USAJMO are invited to Red MOP at Carnegie Mellon University (CMU).


to be edited later

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