The marketing & public relations department welcomes you! Whether you are an interested parent or new to our community and looking into Catholic education, CSSC has something for everyone! If you have any questions about our campuses, publications, this website or alumni affairs, feel free to contact our staff and they will gladly assist you. Catholic Schools of Sioux City 1018 Grandview Sioux City, IA 51105 (712) 252-1350