Clarion Area High School is a public junior and senior high school in Clarion, Pennsylvania. The school went through its last addition and renovation process in 1997, at which time, modern technology was added to the school's curriculum. Part-time vocational training is held at Clarion County Career Center, and 65% of students pursue one or more extra-curricular activities. The school has won state championships in baseball, track and field, volleyball, and have been runners-ups in basketball, football, and softball.
Clarion Area participates in Pennsylvania Interscholastic Athletic Association District 9.