Iowa is known for having one of the highest-quality public education systems in the nation; however, socioeconomic development in the state is limited significantly by the rural brain drain phenomenon, in which many of Iowa's students leave the state once they obtain their college degree. Iowa has been on the cutting edge of providing high-quality preventive services to children who are at risk for educational and behavioral problems. Iowa has a rich Native American history, and was cherished land for various tribes such as the Ioway, Sioux, and Sauk. Iowa has memorials attesting to its Native American history in various parts of the state, such as the Effigy Mounds National Monument in the northeast, along the Mississippi River. When settlers came to Iowa in mass ...