Chambersburg Area Senior High School is a public high school located in Franklin County, Pennsylvania. The school serves grades 9, 10, 11, and 12. Students come from Chambersburg and surrounding townships of Hamilton, Greene, Lurgan, Letterkenny and Guilford. CASHS is accredited by the Middle States Association of Colleges and Schools.As of the 2005-06 school year, the school had an enrollment of 1,858 students and 105.5 classroom teachers on a FTE basis, for a student-teacher ratio of 17.6. There are four administrators, five guidance counselors, three paraprofessionals, eight secretaries and seven aides working at the school. CASHS has occupied its current facilities since 1955. In 1962, 26 rooms were added to the high school building.Graduation rateIn 2012, the graduation rate at Chambersburg Area Senior High School was 80%. In 2011, the graduation rate was 85%. In 2010, the Pennsylvania Department of Education issued a new, 4-year cohort graduation rate. Chambersburg Area School District's rate was 87% for 2010.Former calculation graduation rate:2010 - 87% 2009 - 90% 2008 - 90%2007 - 90%
