Riverdale High School is a public four-year high school located at 9622 256th Street North in Port Byron, a village in Rock Island County, Illinois, in the Midwestern United States. RHS is part of Riverdale Community Unit School District 100, which also includes Riverdale Middle School and Riverdale Elementary School.
Serving 324 students in grades 9-12, Riverdale Sr High School ranks in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 35-39% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is approximately equal to the Illinois state average of 30%).
The student-teacher ratio of 12:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 12% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 324 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 12%
- Graduation Rate: ≥95% (Top 10% in IL)
- Overall Testing Rank: Top 30%
- Math Proficiency: 35-39% (Top 30%)
- Reading Proficiency: 30-34% (Top 50%)
- Science Proficiency: 50-54% (Top 50%)
- Attendance Zone: Riverdale Sr High School's attendance zone encompasses the entire school district in Port Byron, IL, covering approximately 91.6 square miles. Most students can expect a typical drive of 10-15 minutes to reach the school, with the furthest edge of the zone located about 7.9 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Riverdale Sr High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Graduation Rate
School Overview
Riverdale Sr High School's student population of 324 students has stayed relatively flat over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
324 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
27 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
1955
School Calendar
Average Class Size
15 students
School Rankings
Riverdale Sr High School ranks within the top 30% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Riverdale Sr High School is 0.22, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1019 out of 3542 schools
(Top 30%)
(Top 30%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
35-39%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
30-34%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
50-54%
50%
Student-Teacher Ratio
12:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
Asian
1%
6%
Showing 2012–2025. Full 38-year historical data available below ↓
Hispanic
6%
29%
Showing 2016–2025. Full 38-year historical data available below ↓
Black
1%
16%
Showing 2004–2025. Full 34-year historical data available below ↓
White
88%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
4%
4%
Showing 2015–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 38-year historical data available below ↓
Graduation Rate
≥95%
87.6%
Chronically Absent Students
(22-23)23.2%
29.7%
Eligible for Free Lunch
15%
43%
Showing 2015–2025. Full 24-year historical data available below ↓
Eligible for Reduced Lunch
8%
4%
Showing 2010–2025. Full 24-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Riverdale Sr High School's ranking?
Riverdale Sr High School is ranked #1019 out of 3,542 schools, which ranks it among the top 30% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 27% IL state average), while 30-34% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Riverdale Sr High School?
The graduation rate of Riverdale Sr High School is 95%, which is higher than the Illinois state average of 87.6%.
How many students attend Riverdale Sr High School?
324 students attend Riverdale Sr High School.
What is the racial composition of the student body?
88% of Riverdale Sr High School students are White, 6% of students are Hispanic, 4% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Riverdale Sr High School?
Riverdale Sr High School has a student ration of 12:1, which is lower than the Illinois state average of 13:1.
What grades does Riverdale Sr High School offer ?
Riverdale Sr High School offers enrollment in grades 9-12
What school district is Riverdale Sr High School part of?
Riverdale Sr High School is part of Riverdale CUSD 100 School District.
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