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For the 2026 school year, there is 1 public high school serving 313 students in Alton, MO.

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

Alton, MO public high school have an average math proficiency score of 22% (versus the Missouri public high school average of 36%), and reading proficiency score of 32% (versus the 51% statewide average). High schools in Alton have an average ranking of 2/10, which is in the bottom 50% of Missouri public high schools.

Alton, MO public high school have a Graduation Rate of 90%, which is more than the Missouri average of 89%.

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

Minority enrollment is 4% of the student body (majority Hispanic), which is less than the Missouri public high school average of 30% (majority Black).