In this report, the authors present national data on the availability and use of educational technology among teachers in public elementary and secondary schools during the winter and spring of 2009. The data are the results of a national teacher-level survey that is one of a set that includes district, school, and teacher surveys on educational technology. The authors describe results from the survey, including information on the use of computers and Internet access in the classroom; availability and use of computing devices and software, teachers' use of school or district networks (including remote access); students' use of educational technology; teachers' preparation to use educational technology for instruction; and technology-related professional development activities.