Photo: Robert Haugland · CC BY-SA 4.0Port Byron’s public schools outscore 82% of Illinois districts
In Port Byron, 45% of tested students read at a proficient level, above the Illinois average (30%). The grade covers the public school district serving Port Byron, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Illinois, not nationally.
From Illinois state tests taken in spring 2021, when nearly all of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.
Port Byron’s schools, in brief
Better than its incomes would predict
Among the 851 Illinois towns with household incomes within a quarter of Port Byron’s, its schools beat 87%, higher than their 82% against all the state’s districts. The grade ↓
Above the state on both counts
Reading proficiency is 45% and math 26% in spring 2021, against 30% and 26% statewide; 95–100% of the class of 2023 graduated in four years, against 88%. Test scores ↓
Spending and class size
The district spends $14,727 per student, against $21,567 across Illinois (FY2024). Spending doesn’t count toward the grade. Districts ↓
One elementary school, then one middle and one high school
From grade 6 the district’s path is Riverdale Middle School, then Riverdale Sr High School. See the path ↓
Written from the figures on this page. Tests are from 2020–21, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
What’s behind Port Byron’s grade
A−: better than 82% of Illinois school districts. Test scores and graduation are both above the Illinois average; graduation is the stronger of the two.
Where will my kid go?
Pick a grade. These are the public schools that serve Port Byron, with each school’s own grade.
Pre-K in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
Kindergarten in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
1st grade in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
2nd grade in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
3rd grade in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
4th grade in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
5th grade in Port Byron
Riverdale Elem School
Grades PK–5 · 517 students · 13:1 students per teacher
6th grade in Port Byron
Riverdale Middle School
Grades 6–8 · 254 students · 14:1 students per teacher
7th grade in Port Byron
Riverdale Middle School
Grades 6–8 · 254 students · 14:1 students per teacher
8th grade in Port Byron
Riverdale Middle School
Grades 6–8 · 254 students · 14:1 students per teacher
9th grade in Port Byron
Riverdale Sr High School
Grades 9–12 · 324 students · 12:1 students per teacher
10th grade in Port Byron
Riverdale Sr High School
Grades 9–12 · 324 students · 12:1 students per teacher
11th grade in Port Byron
Riverdale Sr High School
Grades 9–12 · 324 students · 12:1 students per teacher
12th grade in Port Byron
Riverdale Sr High School
Grades 9–12 · 324 students · 12:1 students per teacher
Port Byron’s public schools are run by Riverdale Community Unit School District 100, which also serves Canoe Creek, Coe, Cordova and Hillsdale and others. To confirm the school for a specific address, ask the district.
The district
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Well above the state in reading
Port Byron vs. its neighbors
Schools grades for the Illinois towns that share Port Byron’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Port Byron | A− | Riverdale Community Unit School District 100 |
| Rapids City | — | Riverdale Community Unit School District 100 PK–12 · United Township High School District 30 9–12 |
| Coe | A− | Riverdale Community Unit School District 100 |
All 2 neighbors share Riverdale Community Unit School District 100 with Port Byron, so their letters differ mainly through other districts.
Every school in Port Byron
3 schools. Each public school’s letter compares its own 2020–21 reading and math results with Illinois’s other public schools (the newest school-level results we have).
Questions about Port Byron’s schools
Are Port Byron’s schools good?
By Illinois’s own tests, yes: the public schools Port Byron children attend outscore 82% of Illinois’s school districts on tests and graduation, an A− Schools grade. Among towns with similar incomes they beat 87%. Tests are from 2020–21, graduation from the class of 2023.
What school district is Port Byron in?
Riverdale Community Unit School District 100, which runs grades PK–12 and enrolls 1,095 students in 3 schools (2024–25).
Where do Port Byron kids go to high school?
Riverdale Sr High School, with 324 students; its own test results earn a B+.
What is Port Byron’s graduation rate?
95–100% of the class of 2023 in Riverdale Community Unit School District 100 graduated in four years, against 88% across Illinois.
How much does Port Byron spend per student?
$14,727 in Riverdale Community Unit School District 100 (FY2024), against $21,567 across Illinois. Spending doesn’t count toward the grade.
Parents talk
What Port Byron families are saying about school.
Looking for colleges? Colleges near Port Byron → They have their own page.
School data: state test results (2020–21, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within Illinois. Stars are from neighbors.