Centennial High School is located in Ellicott City, MD and is one of 16 high schools in Howard County Public Schools School District. It is a public school that serves 1472 students in grades 9-12. See Centennial High School's test results
to learn more about school performance.
In 2011, Centennial High School had 16 students for every full-time equivalent teacher. The Maryland average is 15 students per full-time equivalent teacher.