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For the 2026 school year, there are 3 public high schools serving 500 students in Boise County, ID.

The top-ranked public high schools in Boise County, ID are Idaho City High School, Horseshoe Bend Middle/sr High School and Garden Valley School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Boise County, ID public high schools have an average math proficiency score of 32% (versus the Idaho public high school average of 37%), and reading proficiency score of 48% (versus the 58% statewide average). High schools in Boise County have an average ranking of 5/10, which is in the bottom 50% of Idaho public high schools.

Boise County, ID public high school have a Graduation Rate of 80%, which is equal to the Idaho average of 80%.

The school with highest graduation rate is Garden Valley School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Idaho or national school graduation rate statistics.

Minority enrollment is 10% of the student body (majority Hispanic), which is less than the Idaho public high school average of 26% (majority Hispanic).