sentences:  About 10.6% of families and 18.2% of the population were below the poverty line, including 25.0% of those under age 18 and 14.4% of those age 65 or over.DeWitt is the center of the DeWitt School District and is home to DeWitt High School, DeWitt Middle School, DeWitt Elementary School, and Gillett Elementary School.Their mascot is the Dragons, and their school colors are blue and gold.