This report describes the methods and procedures used for the 2000 National Postsecondary Student Aid Study (NPSAS:2000). NPSAS:2000 included notable changes from previous NPSAS surveys (conducted in 1987, 1990, 1993, and 1996) in its sample design and collection of data. For example, this study is the first to restrict institutional sampling to Title IV participating institutions. It is also the first in the NPSAS series to use Web-based instrumentation for institutional records collection. However, sufficient comparability in survey design and instrumentation was maintained to ensure that important comparisons with past NPSAS studied can be made. The discussion of methods and procedures contains these chapters: (1) Introduction, Background, and Purpose; (2) Design and Method of NPSAS: 2000; (3) Outcomes of Data Collection; (4) Evaluation of Operations and Data; (5) Variable Construction and File Development; and (6) Weighting and Variance Estimation. Eleven appendixes contain supplemental information about aspects of the survey. (Contains 133 tables and 11 figures.) (SLD)