Center Cass SD 66 School District

699 Plainfield Rd
Downers Grove, IL 60516-5057
(District boundaries shown in map)
9/
10
Top 20%

Top Rankings

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

Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 10%)
For the 2025 school year, there is 1 public preschool serving 396 students in Center Cass SD 66 School District.
Public Preschools in Center Cass SD 66 School District 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

District Rank

Center Cass SD 66 School District, which is ranked within the top 20% of all 844 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2020-2021 school year.
This School District
State Average (IL)
#104 out of 852 school districts
(Top 20%)
This chart displays the overall district rank of Center Cass SD 66  School District, with the latest 2021-22 school year data.
(20-21)
38%
28%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Center Cass SD 66  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of Illinois by year, with the latest 2020-21 school year data.
49%
30%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Center Cass SD 66  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Illinois by year, with the latest 2021-22 school year data.
74%
50%

Students by Ethnicity:

0.52
0.70
# American Indian Students
n/a
1,218 Students
% American Indian Students
n/a
n/a
# Asian Students
123 Students
20,502 Students
% Asian Students
11%
4%
# Hispanic Students
146 Students
162,757 Students
% Hispanic Students
13%
32%
# Black Students
46 Students
94,002 Students
% Black Students
4%
18%
# White Students
757 Students
213,555 Students
% White Students
67%
42%
# Hawaiian Students
n/a
447 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
58 Students
19,465 Students
% of Two or more races Students
5%
4%

Students by Grade:

# Students in PK Grade:
23
76,065
# Students in K Grade:
114
71,052
# Students in 1st Grade:
128
68,700
# Students in 2nd Grade:
126
66,332
# Students in 3rd Grade:
137
56,657
# Students in 4th Grade:
121
53,643
# Students in 5th Grade:
112
46,874
# Students in 6th Grade:
109
28,049
# Students in 7th Grade:
132
22,127
# Students in 8th Grade:
128
22,424
# Students in 9th Grade:
-
40
# Students in 10th Grade:
-
12
# Students in 11th Grade:
-
12
# Students in 12th Grade:
-
18
# Ungraded Students:
-
-

District Revenue and Spending

The revenue/student of $19,771 in this school district is less than the state median of $21,990. 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 $21,244. 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
This chart displays total revenue of Center Cass SD 66  School District and median value from total revenues of all school districts in Illinois by year, with the latest 2020-21 school year data.
Spending
$22 MM
$39,976 MM
This chart displays total spending of Center Cass SD 66  School District and median value from total spendings of all school districts in Illinois by year, with the latest 2020-21 school year data.
Revenue / Student
$19,771
$21,990
This chart displays average revenue per public school student in Center Cass SD 66  School District and average revenue per public school student of all school districts in Illinois by year, with the latest 2020-21 school year data.
Spending / Student
$19,524
$21,244
This chart displays average spending per public school student in Center Cass SD 66  School District and average spending per public school student of all school districts in Illinois by year, with the latest 2020-21 school year data.

Best Center Cass SD 66 School District Public Preschools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
2000 Manning Rd
Darien, IL 60561
(630) 783-5200
Grades: PK-2
| 396 students

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Quick Stats (2025)

  • District size: 3 schools
  • Grades: PK-08
  • Enrollment: 1,130 students
  • Student:Teacher Ratio: 15:1
  • Minority Enrollment: 33%
  • : Top 20% in IL
  • : 38% (Top 20%)
  • : 49% (Top 20%)
  • : 74% (Top 10%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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