We study the combined effects of charter schools, and their various mechanisms, on a national level and across multiple outcomes. Using difference-in-differences and fixed effects methods, we find that charter entry (above 10 percent market share) increases high school graduation rate in geographic districts by about 2-4 percentage points and…

The first step in the Validity and Reliability Study summarizes the history and purpose of California's quality rating and improvement system (QRIS), reviews findings from other QRIS evaluation studies, and describes the approach to validating the system in California. The majority of this report focuses on providing context for the California…

The Science Indicators series was designed to provide a broad base of quantitative information about U.S. science, engineering, and technology for use by policymakers, researchers, and the general public. "Science and Engineering Indicators 2010" contains analyses of key aspects of the scope, quality, and vitality of the Nation's science…

Attempts to estimate a critical level of market concentration within the educational sector for Kentucky. The critical Herfindahl was estimated at 0.50. Counties experiencing a Herfindahl index at or above this number can expect, on average, a 1.6 percentage point decrease (or a 3% reduction) in student achievement scores. (MLH)

This report contains analyses of key aspects of the scope, quality, and vitality of the Nation's science and engineering enterprise and global science and technology. The report presents information on science, mathematics, and engineering education at all levels; the scientific and engineering workforce; U.S. and international and development…