This supplement contains documentation on the explicit and implicit stratification variables included in the TIMSS 2011 data files. The explicit strata are smaller sampling frames, created from the national sampling frames, from which national samples of schools were drawn. The implicit strata are nested within the explicit strata, and were used…

This document contains the four concluding chapters and index of the Biennial Survey of Education, covering the years 1928-1930. Chapter 4, Statistics of universities, colleges, and professional schools, 1929-30, is made up of three parts: (1) Personnel, receipts, and property (Emery M. Foster and Frederick J. Kelley); (2) Expenditures (Henry G.…

This document contains the first three chapters of the Biennial Survey of Education in the United States, covering the years 1928-1930. These chapters include: (1) Statistical summary of education, 1929-30 (Emery M. Foster); (2) Statistics of State school systems, 1929-30 (David T. Blose with the cooperation of Walter S. Deffenbaugh); and (3)…