This study explores the disparity in access to effective teachers in 29 school districts across the country, revealing that disadvantaged students receive poorer-quality instruction, on average, compared with other students. Mathematica conducted the studies for the Institute of Education Sciences.

Although rapidly rising pharmaceutical costs have contributed to increased health expenditures nationwide, few studies have examined this trend in children with special health care needs. This study used data from two large commercial managed care plans in UnitedHealth Group to examine how many...

The use of the emergency departments as a regular source of sick care has been increasing, despite the fact that it is costly and is often an inappropriate source of care. This study examines factors associated with routine use of emergency departments by using a national sample of US children.