This technical report documents the procedures used to collect and summarize data from the 2000 High School Transcript Study (HSTS 2000). Chapters in the report detail the sampling of schools and students (chapters 2 and 3), data collection procedures (chapter 4), data processing procedures (chapter 5), and weighting procedures (chapter 6). Chapter 7 describes the HSTS 2000 data files and codebooks that are encompassed by this report. Appendix A contains the HSTS 2000 data collection and documentation forms, and appendix B contains the associated NAEP 2000 study questionnaires. Appendix C describes the Classification of Secondary School Courses (CSSC), which was used to code the courses on the HSTS 2000 transcripts, and provides a complete listing of CSSC codes. The codebooks for all of the HSTS 2000 data files may be found in appendixes D through P. Appendix Q is a glossary of terms.