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For the 2025-26 school year, there are 2 public high schools serving 228 students in Mercer County, MO.

The top ranked public high schools in Mercer County, MO are Princeton R-v Jr.-sr. High School and Mercer High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Mercer County, MO public high schools have an average math proficiency score of 30% (versus the Missouri public high school average of 36%), and reading proficiency score of 50% (versus the 51% statewide average). High schools in Mercer County have an average ranking of 5/10, which is in the bottom 50% of Missouri public high schools.

Mercer County, MO public high school have a Graduation Rate of 73%, which is less than the Missouri average of 89%.

The school with highest graduation rate is Princeton R-v Jr.-sr. High School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.

Minority enrollment is 6% of the student body (majority American Indian), which is less than the Missouri public high school average of 30% (majority Black).