For the 2026 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).
Best Public High Schools in Port Byron, IL (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Riverdale Sr High School
(Math: 35-39% | Reading: 30-34%)
Rank:
Rank:
8/
Top 30%10
9622 256th St N
Port Byron, IL 61275
(309) 523-3181
Port Byron, IL 61275
(309) 523-3181
Gr: 9-12 | 308 students Student-teacher ratio: 12:1 Minority enrollment: 12%
Frequently Asked Questions
What are the top-ranked public high schools in Port Byron, IL?
The top-ranked public high schools in Port Byron, IL include Riverdale Sr High School.
How many public high schools are located in Port Byron?
1 public high schools are located in Port Byron.
What is the racial composition of students in Port Byron?
Port Byron public high schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Illinois public high schools average of 55% (majority Hispanic).
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