Marietta High School is a four-year, public, secondary school in Marietta, Ohio, United States. The school serves students in the Marietta City School District in grades nine through twelve. As of 2010-2011, the approximate enrollment was 1,050. Marietta's mascot is Tabby the tiger and its colors are orange and black. The school's rival is Warren High School. The school participates in the East Central Ohio League within the Scarlet Division.MHS is accredited by the North Central Association of Colleges and Secondary Schools and the Ohio Department of Education.HistoryThe current building first opened as a replacement for what is now Marietta Middle School. The auditorium/gymnasium and "vo-ag" buildings were part of the original construction. As enrollment increased, more parking lots were added as well.The school converted from a seven-period day to an eight-period day during the 2010–2011 school year.In 2013 a million dollar project took place that included closing in the breezeway between the auditorium/gymnasium building and the main school building. Also in this project, a new section to the school building was added so that all classes would be in the main school building, converting the Vo-Ag building into an administrative office.The "Isaac Danford Memorial Weight Room" was founded in 2015
