This study, which focused on the 1998-99 school year, addresses dropout rates for individual schools, districts, counties, and the state of Arizona categorized by grade, gender, race/ethnicity, withdrawal type, school-year and summer dropouts, county, and district. The data include actual student enrollment and dropout counts as well as status unknown rates. According to information supplied by local school districts and charter schools, the total statewide student enrollment for academic year 1998-99 was 398,926 students in grades 7-12, including students in ungraded high school classes. Of those students, 35,637 dropped out of school by the end of the academic year, resulting in a statewide dropout rate of 8.9 percent. Of all the high school students reported as dropouts, 8.5 percent were white, 15.4 percent were African American, and 17.6 percent were Hispanic. (SM)