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For the 2025-26 school year, there are 2 public high schools serving 1,144 students in Grantsburg, WI.

The top ranked public high schools in Grantsburg, WI are Grantsburg High School and Iforward. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Grantsburg, WI public high schools have an average math proficiency score of 10% (versus the Wisconsin public high school average of 29%), and reading proficiency score of 23% (versus the 37% statewide average). High schools in Grantsburg have an average ranking of 1/10, which is in the bottom 50% of Wisconsin public high schools.

Grantsburg, WI public high school have a Graduation Rate of 85%, which is less than the Wisconsin average of 89%.

The school with highest graduation rate is Grantsburg High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Wisconsin or national school graduation rate statistics.

Minority enrollment is 22% of the student body (majority Hispanic), which is less than the Wisconsin public high school average of 33% (majority Hispanic and Black).