Stephenson High School (SHS) is a public school serving grades 9–12 located in the unincorporated area of DeKalb County, Georgia, United States. It has a Stone Mountain postal address but it is not in the city limits. It is part of the DeKalb County School District. Stephenson High School is in the old historic area near Stone Mountain. The main campus is five acres. The school has an enrollment of 1571 students.