Best Port Byron Public High Schools (2025-26)

For the 2025-26 school year, there is 1 public high school serving 308 students in Port Byron, IL.

The top ranked public high school in Port Byron, IL is Riverdale Sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Port Byron, IL public high school have an average math proficiency score of 37% (versus the Illinois public high school average of 26%), and reading proficiency score of 32% (versus the 29% statewide average). High schools in Port Byron have an average ranking of 9/10, which is in the top 20% of Illinois public high schools.

Port Byron, IL public high school have a Graduation Rate of 95%, which is more than the Illinois average of 87%.

The school with highest graduation rate is Riverdale Sr High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Illinois or national school graduation rate statistics.

Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Illinois public high school average of 55% (majority Hispanic).