AAMC Table 92 Residency Readiness in the 4th Year of Medical School: Using ACGME Milestones to Assess & Prepare Medical Students for Residency In many cases, the fourth year of medical school continues to be a lost opportunity for learning. The popularity of boot camps with an emphasis on the student’s specialty of choice continues to grow. At several institutions, the fourth year is designed to use specialty-specific milestones to improve the transition to residency. The senior year should be more robust with consideration for student assessment for selected ACGME milestones expected of an incoming resident in their designated specialty.