Best Grainger County Public High Schools (2026)

For the 2026 school year, there are 4 public high schools serving 1,294 students in Grainger County, TN.

The top-ranked public high schools in Grainger County, TN are Washburn School and Grainger High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Grainger County, TN public high schools have an average math proficiency score of 17% (versus the Tennessee public high school average of 25%), and reading proficiency score of 28% (versus the 40% statewide average). High schools in Grainger County have an average ranking of 2/10, which is in the bottom 50% of Tennessee public high schools.

Grainger County, TN public high school have a Graduation Rate of 86%, which is less than the Tennessee average of 87%.

The school with highest graduation rate is Washburn School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Tennessee or national school graduation rate statistics.

Minority enrollment is 8% of the student body (majority Hispanic), which is less than the Tennessee public high school average of 42% (majority Black).