During late 2019, reports emerge that a mysterious coronavirus is resulting in high contagion and many deaths in Wuhan, China. In just a few weeks, cases are rising quickly in Seattle, have spread to California, and the first case is reported in New York (from Iran) on March 1, 2020. Apparent...

This paper applies a unified methodology to multiple data sets to estimate both the levels and trends in U.S. high school graduation rates. We establish that (a) the true high school graduation rate is substantially lower than widely used measures; (b) the U.S. graduation rate peaked in the...

This paper uses multiple data sources and a unified methodology to estimate the trends and levels of the U.S. high school graduation rate. Correcting for important biases that plague previous calculations, we establish that (a) the true high school graduation rate is substantially lower than the...