St. Clairsville High School
 St. Clairsville High School is located in St. Clairsville Ohio USA. It is in Belmont County Ohio. It currently houses grades 9 through 12 with an enrollment between of about 500 students. It is the high school in the St. Clairsville-Richland City School District. The school mascot is the Red Devil.St. Clairsville High School is a part of the Ohio Valley Athletic Conference the Buckeye 8 and the Ohio High School Athletic Association.