Recent USAMO and USAJMO Qualification Indices

Selection to the USAMO is based on the USAMO index which is defined as AMC 12 Score + 10 * AIME Score.

Selection to the USAJMO is based on the USAJMO index which is defined as AMC 10 Score + 10 * AIME Score.
The AIME is a 15 question, 3 hour exam taken by high scorers on the AMC 10 and AMC 12. Each answer is an integer from 0 to 999, inclusive, making guessing almost futile. Wrong answers receive no credit, while correct answers receive one point of credit. No partial credit is given. Thus AIME scores are integers from 0 to 15 inclusive.

Both the AMC 10 and AMC 12 are 25 question, 75 minute multiple choice contests. The AMC 10/12 is scored in a way that penalizes guesses. Correct answers are worth 6 points, incorrect questions are worth 0 points, and unanswered answers are worth 1.5 points, to give a total score out of 150 points.

Recent USAMO and USAJMO Qualification Indices

2015 USAMO and USAJMO Qualification Levels

• Students taking the AMC 12 A, or AMC 12 B plus the AIME I need a USAMO index of 219.0 or higher to qualify for the USAMO.
• Students taking the AMC 12 A, or AMC 12 B plus the AIME II need a USAMO index of 229.0 or higher to qualify for the USAMO.
• Students taking the AMC 10 A, or AMC 10 B plus the AIME I need a USJAMO index of 213.0 or higher to qualify for the USAJMO.
• Students taking the AMC 10 A, or AMC 10 B plus the AIME II need a USJAMO index of 223.5 or higher to qualify for the USAJMO.

Click HERE find out more about Math Competitions!