Nauvoo-Colusa Community Unit School District 325 for high school, so that year 70 students and all but two of the Dallas City High teachers moved to Nauvoo-Colusa High School. In 2008 the Nauvoo-Colusa district closed its high school and redirected students to Warsaw Community Unit School District 316's Warsaw High School. Upon promoting from the eighth grade, students attend high school at Illini West in Carthage, Illinois. References External links Cities in Illinois Illinois populated places on the Mississippi River Cities in Hancock County, Illinois Cities in Henderson County, Illinois Burlington, Iowa micropolitan area 1848 establishments in Illinois