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 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 2026-27 school year, there is 1 public preschool serving 410 students in Center Cass SD 66 School District.
Public Preschools in Center Cass SD 66 School District have a diversity score of 0.53, which is less than the Illinois public preschool average of 0.70.
Minority enrollment is 34% of the student body (majority Hispanic and Asian), which is less than the Illinois public preschool average of 59% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
3 Schools
1,365 Schools
# Students
1,130 Students
505,477 Students
# Teachers
78 Teachers
38,339 Teachers
Student-Teacher Ratio
14:1
14:1
Student By Grade
District Rank
Center Cass SD 66 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.
Overall District Rank
#85 out of 865 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
47%
27%
Reading/Language Arts Test Scores (% Proficient)
49%
30%
Science Test Scores (% Proficient)
74%
50%
Chronically Absent Students
(2022-23)13.7%
29.7%
Students by Ethnicity:
Diversity Score
0.51
0.70
% American Indian
n/a
n/a
% Asian
11%
4%
% Hispanic
14%
33%
% Black
3%
18%
% White
68%
41%
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $19,477 in this school district is less than the state median of $25,132. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $18,277 is less than the state median of $24,168. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$22 MM
$46,284 MM
Spending
$21 MM
$44,509 MM
Revenue / Student
$19,477
$25,132
Spending / Student
$18,277
$24,168
Best Center Cass SD 66 School District Public Preschools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: n/an/a
2000 Manning Rd
Darien, IL 60561
(630) 783-5200
Darien, IL 60561
(630) 783-5200
Gr: PK-2 | 410 students Student-teacher ratio: 17:1 Minority enrollment: 34%
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