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For the 2025-26 school year, there are 9 public high schools serving 7,378 students in Saint Charles, MO. The top ranked public high schools in Saint Charles, MO are Francis Howell High School, Francis Howell Central High School and St. Charles High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Saint Charles, MO public high schools have an average math proficiency score of 50% (versus the Missouri public high school average of 36%), and reading proficiency score of 69% (versus the 51% statewide average). High schools in Saint Charles have an average ranking of 10/10, which is in the top 10% of Missouri public high schools.

Saint Charles, MO public high school have a Graduation Rate of 94%, which is more than the Missouri average of 89%.

The school with highest graduation rate is Francis Howell High School, with 97% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.

Minority enrollment is 25% of the student body (majority Black and Hispanic), which is less than the Missouri public high school average of 30% (majority Black).