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For the 2025-26 school year, there are 4 public high schools serving 897 students in Grundy County, IA. The top ranked public high schools in Grundy County, IA are Grundy Center High School, Dike-new Hartford High School and Bcluw High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Grundy County, IA public high schools have an average math proficiency score of 77% (versus the Iowa public high school average of 65%), and reading proficiency score of 77% (versus the 71% statewide average). High schools in Grundy County have an average ranking of 9/10, which is in the top 20% of Iowa public high schools.

Grundy County, IA public high school have a Graduation Rate of 89%, which is more than the Iowa average of 87%.

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

Minority enrollment is 7% of the student body (majority Hispanic and Black), which is less than the Iowa public high school average of 27% (majority Hispanic).