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 JMO index of 213.0 or higher to qualify for the JMO.
Students taking the AMC 10 A, or AMC 10 B plus the AIME II need a JMO index of 223.5 or higher to qualify for the JMO.