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For the 2026 school year, there is 1 public high school serving 245 students in Sumner, IA.

The top-ranked public high school in Sumner, IA is Sumner-fredericksburg High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Sumner, IA public high school have an average math proficiency score of 72% (versus the Iowa public high school average of 65%), and reading proficiency score of 77% (versus the 71% statewide average). High schools in Sumner have an average ranking of 7/10, which is in the top 50% of Iowa public high schools.

Sumner, IA public high school have a Graduation Rate of 85%, which is less than the Iowa average of 87%.

The school with highest graduation rate is Sumner-fredericksburg High School, with 80-89% 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 27% (majority Hispanic).