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B+

Riverdale Sr High School

PublicHighGrades 9–12

9622 256th St N, Port Byron, IL 61275 · (309) 523-3181 · Part of Riverdale Community Unit School District 100

Coe Township’s School Grade A− better than 82% of Illinois school districts

Directions
Students
324
Students per teacher
12:1
Free or reduced lunch
16%
Setting
Rural
Grades
9–12
The gist

What stands out about Riverdale Sr High School

  • Its own letter, B+: better results than 65% of Illinois’s public schools
  • Small classes: 12 students per teacher

On the path

Where Coe Township kids come from and go next. The whole path →

6–8Riverdale Middle Schoolin Port Byron
9–12Riverdale Sr High SchoolYou are here

Test scores

2020–21
Math proficiency27%
State average 25.9%
Reading / language arts32%
State average 30.7%

Its own letter, B+, places these results among Illinois’s 3,406 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

9622 256th St N, Port Byron

Students

Enrollment by grade
Grade 990
Grade 1089
Grade 1178
Grade 1267
Enrollment over time
328’20
320’21
312’22
308’23
324’24

About steady since 2020–21.

Who goes here
White 89%Hispanic 6%Two or more races 4%Black <1%Asian <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Riverdale Sr High School from Coe Township families.

Other schools in Riverdale Community Unit School District 100

The district →
Riverdale Elem School
Elementary · Grades PK–5 · Port Byron
B
517 students13:1
Riverdale Middle School
Middle · Grades 6–8 · Port Byron
A−
254 students14:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Illinois’s other public schools; Coe Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.