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Center Cass School District 66

699 Plainfield Rd
Downers Grove, IL 60516-5057
(District boundaries shown in map)
10/
10
Top 10%

Top Rankings

Center Cass School District 66 ranks among the top 20% of public school district in Illinois for:

Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 10%)
For the 2025-26 school year, there is 1 public preschool serving 396 students in Center Cass School District 66.
Public Preschools in Center Cass School District 66 have a diversity score of 0.52, which is less than the Illinois public preschool average of 0.70.
Minority enrollment is 33% of the student body (majority Hispanic and Asian), which is less than the Illinois public preschool average of 58% (majority Hispanic).

Overview

This School District
This State (IL)
# Schools
3 Schools
1,387 Schools
# Students
1,130 Students
512,005 Students
# Teachers
75 Teachers
38,167 Teachers
Student-Teacher Ratio
15:1
15:1

Student By Grade

District Rank

Center Cass School District 66, 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.
This School District
State Average (IL)
#85 out of 865 school districts
(Top 10%)
47%
27%
49%
30%
74%
50%

Students by Ethnicity:

0.52
0.70
% American Indian
n/a
n/a
% Asian
11%
4%
% Hispanic
13%
32%
% Black
4%
18%
% White
67%
42%
% Hawaiian
n/a
n/a
% Two or more races
5%
4%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $19,771 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 $19,524 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
$22 MM
$41,381 MM
Spending
$22 MM
$39,976 MM
Revenue / Student
$19,771
$22,423
Spending / Student
$19,524
$21,662

Best Center Cass School District 66 Public Preschools (2025-26)

School
(Math and Reading Proficiency)
Location
Quick Facts
2000 Manning Rd
Darien, IL 60561
(630) 783-5200
Gr: PK-2 | 396 students Student-teacher ratio: 17:1 Minority enrollment: 33%

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Quick Facts (2025-26)

  • District size: 3 schools
  • Grades: PK-08
  • Enrollment: 1,130 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 33%
  • : Top 10% in IL
  • : 47% (Top 10%)
  • : 49% (Top 20%)
  • : 74% (Top 10%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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