Between 1970 and 2000, the U.S. high-school graduation stagnated while in many other Organization for Economic Co-operation and Development (OECD) countries it rose markedly. By 2000, the high school graduation rate in the United States ranked 13th among the 19 OECD countries for which comparable data are available. Evidence from two independent…

I survey the evidence on patterns in U.S. high school graduation rates over the period 1970-2010 and report the results of new research conducted to fill in holes in the evidence. I begin by pointing out the strengths and limitations of existing data sources. I then describe six striking patterns in graduation rates. They include stagnation over…

This brief calculates graduation rates for the state of Florida using longitudinal data. The authors describe their measurement strategies and compare them with the state's official measurement procedures. They calculate the diploma and General Education Development (GED) attainment rates of six separate cohorts of Florida 9th graders who began…

This report builds upon a series of National Center for Education Statistics (NCES) reports on high school dropout and completion rates that began in 1988. It presents estimates of rates in 2006, provides data about trends in dropout and completion rates over the last 3 decades (1972-006), and examines the characteristics of high school dropouts…