sentences:  DeWitt High School houses grades 9 through 12.DeWitt Middle School houses grades 6 through 8, and both DeWitt Elementary and Gillett Elementary provide kindergarten through 5th grade.In September 2011, the feature film "Mud" (2013; written and directed by Jeff Nichols, starring Reese Witherspoon and Matthew McConaughey) was filmed in and around Arkansas County.