In the 2009–2010 school year, the student population at Heritage was 94.62% White, 2.84% Latino, 1.87% African-American, 0.06% Native Hawaiian-Pacific Islander, and 0.42% Asian.

[3] The high school occupies a 99 acres (40 ha) campus within 15 miles (24 km) of the Great Smoky Mountains National Park.

There are scenic views of the park's peaks and nearby Walland Gap that divides the Chilhowee Mountain range into two sections.

Athletic facilities include the James D. Lillard Field/Jack Renfro Stadium utilized for American football and track & field.

[7] Heritage High School choral groups have earned superior ratings at state and national-level competitions.

They prospered under the direction of Chris Clift, the President of the ETVA until 2018, when Heritage alumni Tyler Owens continued the success of the program.