Dupo-based Moms on a Mission is holding a Back-to-School Carnival this Sunday, Aug. 4, from 4-7 p.m. at the Dupo American Legion, 200 S. 5th Street. No registration is required, and there is no ZIP code requirement. Each student will receive a backpack filled with school supplies. The event is first come, first served, and the student must be present to receive a backpack.