The Department of Defense Dependents Schools (DoDDS) are a network of schools, both primary and secondary, that serve the dependents of United States military and civilian United States Department of Defense (DoD) personnel in three areas of the world; Europe, Pacific, and Eastern United States and Caribbean areas. United States Contractor personnel supporting the Department of Defense overseas are eligible to send their dependents for a fee. The schools themselves are operated by the Department of Defense Education Activity (DoDEA). This school system is the tenth-largest American school system.