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.IMOLogo
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

Year AMC 12 AMC 10 Total number of qualifiers
2016 220.0 for USAMO with AIME I,

210.5 for USAMO with AIME II

205.0 for USAJMO with AIME I,

200.0 for USAJMO with AIME II

318 USAMO;

198 USAJMO

2015 219.0 for USAMO with AIME I,

229.0 for USAMO with AIME II

213.0 for USAJMO with AIME I,

223.5 for USAJMO with AIME II

286 USAMO;

244 USAJMO

2014 211.5 for USAMO 211.0 for USAJMO 266 USAMO;

231 USAJMO

2013 209.0 for USAMO 210.5 for USAJMO 264 USAMO;

231 USAJMO

2012 204.5 for USAMO 204.0 for USAJMO 268 USAMO;

233 USAJMO

2011 188.0 (AIME I); 215.5 (AIME II) for USAMO 179.0 (AIME I); 196.5 (AIME II) for USAJMO 282 USAMO;

222 USAJMO

2010 208.5 (USAMO); 204.5 (USAMO—11th and 12th) 188.5 (USAJMO) or 11/15 on AIME (USAMO) 277 USAMO;

235 USAJMO

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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.

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Click HERE find out more about Math Competitions!

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3 responses to “Recent USAMO and USAJMO Qualification Indices

  1. Pingback: 2016 AMC 12B Problems and Answers | Ivy League Education Center

  2. Pingback: 2016 AIME I Problems and Answers | Ivy League Education Center

  3. Pingback: 2016 USA(J)MO SELECTION SCORES ANNOUNCED | Ivy League Education Center

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