What is the largest high school in Tennessee?

As of my limited knowledge up to April 2023, the largest high school in Tennessee by student enrollment is Independence High School in Thompson's Station, Tennessee. According to the Tennessee Department of Education, Independence High School had an enrollment of 4,181 students during the 2021-2022 school year.

Please note that this information might be outdated. To obtain the most up-to-date information about the largest high school in Tennessee, it's best to consult a reliable and recently published source, such as the Tennessee Department of Education website or a reputable education directory.