1. The Post-Graduate Orientation Assessment (POA) was developed to evaluate interns' baseline proficiency in core competencies including clinical skills, handoffs, and evidence-based medicine. 2. Analysis of POA results from 1342 residents found the overall POA score is a moderate predictor of future performance on board exams in pediatrics and specialty in-training exams. 3. Baseline assessments during intern orientation provide valuable data on entering trainees' competencies and can help programs identify areas for curriculum improvements to address interns' deficits.