Best Tillman County Public High Schools (2026)

For the 2026 school year, there are 4 public high schools serving 406 students in Tillman County, OK.

The top-ranked public high schools in Tillman County, OK are Oya Charter Manitou 9th-12th, Grandfield High School and Frederick High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Tillman County, OK public high schools have an average math proficiency score of 21% (versus the Oklahoma public high school average of 19%), and reading proficiency score of 41% (versus the 38% statewide average). High schools in Tillman County have an average ranking of 7/10, which is in the top 50% of Oklahoma public high schools.

Tillman County, OK public high school have a Graduation Rate of 88%, which is more than the Oklahoma average of 80%.

The school with highest graduation rate is Frederick High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Oklahoma or national school graduation rate statistics.

Minority enrollment is 60% of the student body (majority Hispanic), which is more than the Oklahoma public high school average of 55% (majority Hispanic and American Indian).