Best Mahaska County Public High Schools (2026)

For the 2026 school year, there are 2 public high schools serving 931 students in Mahaska County, IA.

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

Mahaska County, IA public high schools have an average math proficiency score of 66% (versus the Iowa public high school average of 65%), and reading proficiency score of 68% (versus the 71% statewide average). High schools in Mahaska County have an average ranking of 4/10, which is in the bottom 50% of Iowa public high schools.

Mahaska County, IA public high school have a Graduation Rate of 90%, which is more than the Iowa average of 87%.

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

Minority enrollment is 10% of the student body (majority Hispanic), which is less than the Iowa public high school average of 28% (majority Hispanic).