Browse the archive
Tag: USAMO Index
-
How the AIME Works After the AMC 10/12: Qualification, Format, and the USAMO Index (2026)
The AIME for AMC 10/12 students: how you qualify (top 2.5%/5%), the 15-question 3-hour integer format, AIME I vs II, and how the USAMO/USAJMO index decides who advances.