This report presents national data on teachers and teaching from the Schools and Staffing Survey (SASS) and other sources. Where data permit, the report compares findings from the early to mid-1990s with findings from the 1980s. The report addresses a wide range of topics related to teachers and teaching, including teachers' demographic characteristics and various characteristics of their schools and students, teachers' preparation and professional development experiences, teachers' workloads, teaching practices, compensation, perceptions of work environments and job satisfaction, and the supply and demand of teachers. Detailed tables, standard error tables, and technical notes are included in appendices. (Contains 108 references.) (ND)