post-secondaryeducation Keywords: Advanced Search Directory View All Listings #0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Washington State College of Ohio Listing Title Washington State College of Ohio Listing Category post-secondaryeducation Short Description Washington State College of Ohio is a public college that serves the Mid-Ohio Valley region. Website https://www.wsco.edu/ Phone 740.374.8716 Address 710 Colegate Drive Marietta, Ohio 45750