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For the 2025-26 school year, there are 4 public high schools serving 1,946 students in Knox County, IN.

The top ranked public high schools in Knox County, IN are South Knox Middle-high School, Lincoln High School and North Knox Jr-sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Knox County, IN public high schools have an average math proficiency score of 21% (versus the Indiana public high school average of 29%), and reading proficiency score of 43% (versus the 46% statewide average). High schools in Knox County have an average ranking of 2/10, which is in the bottom 50% of Indiana public high schools.

Knox County, IN public high school have a Graduation Rate of 93%, which is more than the Indiana average of 89%.

The school with highest graduation rate is Lincoln High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Indiana or national school graduation rate statistics.

Minority enrollment is 8% of the student body (majority Hispanic), which is less than the Indiana public high school average of 36% (majority Hispanic and Black).