Riverdale CUSD 100 School District

9624 256th St N
Port Byron, IL 61275-9054
(District boundaries shown in map)
9/
10
Top 20%

Top Rankings

Riverdale CUSD 100 School District ranks among the top 20% of public school district in Illinois for:

Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 20%)
For the 2025 school year, there are 3 public schools serving 1,084 students in Riverdale CUSD 100 School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Illinois.
Public Schools in Riverdale CUSD 100 School District have an average math proficiency score of 37% (versus the Illinois public school average of 27%), and reading proficiency score of 45% (versus the 30% statewide average).
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the Illinois public school average of 55% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
3 Schools
4,398 Schools
# Students
1,084 Students
1,845,459 Students
# Teachers
81 Teachers
136,655 Teachers
Student : Teacher Ratio
13:1
13:1

Student By Grade

District Rank

Riverdale CUSD 100 School District, which is ranked within the top 20% of all 864 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has increased from 90-94% over five school years.
This School District
State Average (IL)
#155 out of 865 school districts
(Top 20%)
37%
27%
45%
30%
67%
50%
(21-22)
≥95%
87%

Students by Ethnicity:

0.22
0.69
% American Indian
n/a
n/a
% Asian
1%
6%
% Hispanic
7%
28%
% Black
1%
17%
% White
88%
45%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,879 in this school district is less than the state median of $22,423. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $14,970 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (IL)
Total Revenue
$17 MM
$41,381 MM
Spending
$16 MM
$39,976 MM
Revenue / Student
$15,879
$22,423
Spending / Student
$14,970
$21,662

Best Riverdale CUSD 100 School District Public Schools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Riverdale Elementary School
(Math: 41% | Reading: 47%)
Rank:
9/
10
Top 20%
9424 256th St N
Port Byron, IL 61275
(309) 523-3186
Grades: PK-5
| 515 students
Rank: #22.
Riverdale Middle School
(Math: 34% | Reading: 47%)
Rank:
8/
10
Top 30%
9822 256th St N
Port Byron, IL 61275
(309) 523-3131
Grades: 6-8
| 261 students
Rank: #33.
Riverdale Sr High School
(Math: 35-39% | Reading: 30-34%)
Rank:
8/
10
Top 30%
9622 256th St N
Port Byron, IL 61275
(309) 523-3181
Grades: 9-12
| 308 students

Frequently Asked Questions

How many schools belong to Riverdale CUSD 100 School District?
Riverdale CUSD 100 School District manages 3 public schools serving 1,084 students.
What is the rank of Riverdale CUSD 100 School District?
Riverdale CUSD 100 School District is ranked #160 out of 864 school districts in Illinois (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Illinois school districts for: Highest overall rank (Top 20%), Highest reading/language arts proficiency (Top 20%) and Highest science proficiency (Top 20%)
What is the racial composition of students in Riverdale CUSD 100 School District?
88% of Riverdale CUSD 100 School District students are White, 7% of students are Hispanic, 3% 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 CUSD 100 School District?
Riverdale CUSD 100 School District has a student/teacher ratio of 13:1, which is lower than the Illinois state average of 14:1.
What is Riverdale CUSD 100 School District's spending/student ratio?
The school district's spending/student of $14,970 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.

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Quick Stats (2025)

  • District size: 3 schools
  • Grades: PK-12
  • Enrollment: 1,084 students
  • Student:Teacher Ratio: 13:1
  • Minority Enrollment: 12%
  • : ≥95% (Btm 50% in IL)
  • : Top 20%
  • : 37% (Top 30%)
  • : 45% (Top 20%)
  • : 67% (Top 20%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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