This document contains the appendixes to a report on social and emotional learning in U.S. schools, "Teacher and Principal Perspectives on Social and Emotional Learning in America's Schools: Findings from the American Educator Panels." Three appendixes are included: (1) Technical Appendix and Supplemental Tables; (2) American Teacher Panel Abbreviated Survey; and (3) American School Leader Panel Abbreviated Survey. [For the full report, see ED609440.]