The state of Tennessee has recognized CHS as a level 5 school for the past three years. A level 5 ranking is the highest rating a school can receive for student achievement. In addition, CHS students have increased the percentage proficient in all five of the state-tested areas. These percentage increases are between 2.9% and 18.1%. Not only have CHS scores improved, but so has the graduation rate. The graduation rate has increased from 85.3% to 93.9%, with each population subgroup experiencing gains in percentage graduated.