Home Calendar School Closed School Closed By Marietta.com Marietta City and Cobb County Schools are closed Wednesday, January 17, 2018 and Thursday, January 18, 2018. RELATED ARTICLESMORE FROM AUTHOR Marietta Square Art Walk Cobb County Rodeo Chalktoberfest LEAVE A REPLY Cancel reply Please enter your comment! Please enter your name here You have entered an incorrect email address! Please enter your email address here Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.