The 11 papers in this volume were presented at the 1996 American Statistical Association (ASA) meeting in Chicago (Illinois), August 4 through 8. This is the fourth collection of ASA papers of particular interest to users of National Center for Education Statistics (NCES) survey data published in the "Working Papers" series. The following are included: (1) "Teacher Quality and Educational Inequality" (Richard M. Ingersoll); (2) "Using Qualitative Methods To Validate Quantitative Survey Instruments" (John E. Mullens and Daniel Kasprzyk); (3) "Revisiting the NCES Private School Survey: A Method To Design a Systematic Classification of Private Schools in the United States" (Sylvia Kay Fisher and Daniel Kasprzyk); (4) "An Analysis of Response Rates of SASS (Schools and Staffing Survey) 1993-94" (Sameena M. Salvucci, Fan Zhang, Mingxiu Hu, and David Monaco); (5) "An Overview of NCES Surveys Reinterview Programs" (Valerie Conley, Steven Fink, and Mehrdad Saba); (6) "Estimating Response Bias in an Adult Education Survey" (J. Michael Brick and David Morganstein); (7) "Optimal Periodicity of a Survey: Extensions of Probable-Error Models" (Wray Smith, Dhiren Ghosh, and Michael Chang); (8) "Estimating the Variance in the Presence of Imputation Using a Residual" (Steven Kaufman); (9) "Where Will It All End? Some Alternative SASS Estimation Research Opportunities" (Steven Kaufman and Fritz Scheuren); (10) "Estimating State Totals from the Private School Universe Survey" (Easley Hoy, Beverley Causey, Leroy Bailey, and Steven Kaufman); and (11) "Effect of High School Programs on Out-Migration of Rural Graduates" (Gary Huang, Michael P. Cohen, Stanley Weng, and Fan Zhang). Each chapter contains references. (Contains 3 figures and 22 tables.) (SLD)