This report presents information about technology-based distance education in public elementary and secondary schools in the 2004-05 school year and changes from the 2002-03 school year. The discussion is divided into chapters that reflect the major topics addressed by the questionnaire. Chapter 2 describes the prevalence of technology-based distance education courses in public school districts and public schools. Chapter 3 discusses technology-based distance education course enrollments at various instructional levels. It also presents completion status of course enrollments taken via technology-based distance education in 2004-05, as well as districts' plans to expand technology-based distance education offerings in the future. Chapter 4 presents information about the entities that deliver technology-based distance education courses to students and reports about technology-based distance education course delivery by districts to students who are not regularly enrolled in the district. Chapter 5 reports on the prevalence of AP and college-level courses delivered via technology-based distance education and presents the types of entities that deliver these AP and college-level courses to students. Chapter 6 outlines technologies that are used for delivering distance education courses. Chapter 7 presents a closer look at courses delivered online, including information on districts' provision or payment for the infrastructure needed to access online courses from home. Chapter 8 presents longitudinal analysis of the data, including changes in prevalence of technology-based distance education courses and in technologies that are used for course delivery. Chapter 9 summarizes the findings and provides conclusions from the study. A detailed discussion of the survey methodology and tables of standard errors for all data presented in this report are included as technical appendixes (appendixes A and B). The 2002-03 and 2004-05 FRSS questionnaires are presented in appendix C. (Contains 53 tables and 4 figures.)