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 2026 school year, there are 2 public elementary schools serving 771 students in Riverdale CUSD 100 School District. This district's average elementary testing ranking is 9/10, which is in the top 20% of public elementary schools in Illinois.
Public Elementary Schools in Riverdale CUSD 100 School District have an average math proficiency score of 37% (versus the Illinois public elementary school average of 27%), and reading proficiency score of 47% (versus the 30% statewide average).
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Illinois public elementary school average of 56% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
3 Schools
3,119 Schools
# Students
1,095 Students
1,192,824 Students
# Teachers
85 Teachers
91,471 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 861 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%
(2022-23)
17.3%
29.7%

Students by Ethnicity:

0.23
0.70
% American Indian
n/a
n/a
% Asian
1%
6%
% Hispanic
7%
28%
% Black
1%
17%
% White
88%
44%
% Hawaiian
n/a
n/a
% Two or more races
3%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,720 in this school district is less than the state median of $22,456. The school district revenue/student has grown by 7% over four school years.
The school district's spending/student of $14,820 is less than the state median of $21,694. The school district spending/student has grown by 6% 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
$15,720
$22,456
Spending / Student
$14,820
$21,694

Best Riverdale CUSD 100 School District Public Elementary Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
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
Gr: PK-5 | 517 students Student-teacher ratio: 13:1 Minority enrollment: 14%
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
Gr: 6-8 | 254 students Student-teacher ratio: 14:1 Minority enrollment: 11%

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Quick Facts (2026)

  • District size: 3 schools
  • Grades: PK-12
  • Enrollment: 1,095 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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