The objective of this study is to better understand the process by which K-12 school districts select curricula materials in four critical subject areas: Mathematics, English Language Arts, Science, and History and Social Studies. This research has two primary goals: (1) to understand the process by which K-12 school districts select and adopt…

This technical report provides detailed information about the sample, survey instruments, and resultant data for the 2022 American Instructional Resources Surveys (AIRS) that were administered to principals and teachers in spring 2022 via the RAND Corporation's American Educator Panels (AEP). The 2022 AIRS focused on the usage of, perceptions of,…

One of the challenges that face humanity is how to manage resource and environmental endowments in a way that will guarantee continued survival and ensure the well-being of future generations. Those resources most important to human survival are food, water, and energy. When the population of the world reached 5 billion in 1987, approximately 87…

This document, which primarily contains statistical tables of data, is designed to help teach secondary school students how to compare the power levels of 186 countries. The three indicators or measures of economic strength include a country's total population, total area, and per capita income, and they are used to determine power levels. A…

The total population of the United States including the Armed Forces overseas was 241,596,000 on July 1, 1986. The median age of the population rose from 30.0 years on April 1, 1980, to 31.8 years on July 1, 1986, while the fastest growing segments of the population between 1980 and 1986 were the groups aged 35 to 44 years and 85 years and over.…

This statistical handbook is a user-friendly, up-to-date resource, and provides a thorough examination of the causes, effects, and ramifications of poverty throughout the developing world. The handbook contains more than 400 tables, graphs, and charts. In addition, it includes two special sections which contain information not consistently…

It is important for students to have a feel for some of the key numerical and size characteristics of their country, and often graphic blackline masters permit easier, quicker learning than many chapters of text. For this purpose maps, tables, and graphs depicting various characteristics of the United States' population have been compiled in this…

A description of the 1974-75 Delaware Educational Assessment Program and a summary of the data gathered and analyzed as part of the program is provided. The report is divided into two major sections: the first part provides a description of the program including purposes, data collected, instrumentation, and reports prepared. The second part of…